From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258900; cv=none; d=zohomail.com; s=zohoarc; b=ipBlv7luQkOQ4m2bIBsqLYihAI7AFe+1Ztm/moEaXWSMEYzFD9ZesTIBNV5ff+4qOI5AfxpdgBBv+2lk3L5ihXBXYoAUcTiWgqeJ+p4yLQ/k8gilEMWfmx5smuXC6g8jCAoIczOpSf3UuVyJpeBO9ZmQM6LanUoKFYGnUQww4O0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258900; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=DXYENedStYVsFXpaqy8X3+wmlabVR1q8JHyD5+dxFj0=; b=gQfo21GKjOb1Q5/ExeXe6Kae6Ywu0IlefgVsQdj0pj3aQkGTlrR+8xpnQfYDk+yRfA/mXWgchFOTkmBj2CGDDWgAzRB+bUZNE6/lqtCfuwIEncu3zviULjB3CqXHEuXAxErIzMKW0z/o9bw9nBNPI2CHPUJSQ2S6qEZf65K5kbI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258900895809.8699381960442; Mon, 24 Jul 2023 21:21:40 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569355.889800 (Exim 4.92) (envelope-from ) id 1qO9Xu-0002JH-Fe; Tue, 25 Jul 2023 04:21:14 +0000 Received: by outflank-mailman (output) from mailman id 569355.889800; Tue, 25 Jul 2023 04:21:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xu-0002J6-An; Tue, 25 Jul 2023 04:21:14 +0000 Received: by outflank-mailman (input) for mailman id 569355; Tue, 25 Jul 2023 04:21:11 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xr-00023t-Gs for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:11 +0000 Received: from mail-yb1-xb2a.google.com (mail-yb1-xb2a.google.com [2607:f8b0:4864:20::b2a]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id ae3b0ebb-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:09 +0200 (CEST) Received: by mail-yb1-xb2a.google.com with SMTP id 3f1490d57ef6-cf284f4d7afso5663482276.3 for ; Mon, 24 Jul 2023 21:21:09 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:08 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ae3b0ebb-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258868; x=1690863668; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DXYENedStYVsFXpaqy8X3+wmlabVR1q8JHyD5+dxFj0=; b=NIGVZvXp4f6PI/DiyEOXr4f5A6/bm955BIOhiZOHaf2xh+RIldWqkGVwj9eR6s7h/D u8onvMaEHJrYU/HCUYvuGCCHfNRwQcrgAf2DqnNwPmYZKfV6oX/8zUa5Ig2Q+OQW0ypq XPjKaW0SZdhI5qLkWxfkcfI+eeyw8wOays1ttc+jYPlhsNlhP4uKwb+dfDR5nCYKuXl2 +XMxk/OSmgfJy9dL/mFwEgWIg+fhMPrVsdF2dCpA0ebzWdyAhRP+4N95J6UWvMmJ+uKs yf/le1oPMyKhHzKGvzlCs3EuPlXqwgoKoHDer5fRkFbOxeVLftXul8Z+3F07FK5C3JFa Y2Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258868; x=1690863668; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DXYENedStYVsFXpaqy8X3+wmlabVR1q8JHyD5+dxFj0=; b=bmnxiiVaX2ngYRYJJgQ+mug9jOyeGMlgvYY4FiANy9nQ1eE+xJPcA24ZeVewswS+Jy zXMOQpbNZL3RGzgApW4gWF+kJSTBkmLRhVBxRktiDGPOP+N3laa1G3RnLDofWhjaJ69+ m0seDyp9mbcjwfYu+O3g2GaaIUgthh39rv+e+iUaPMtwShOWvwuirWj+3PSEwX7X5gTx ux0nG1+AeawhZXqmUwGw8GMc+Z5aHaPtWp+4nWH/3E0BwsXvc1NIzu6R3h3UphdhYiz0 21h8eILGF682rkhhxAJXNEeuzq6pTd4+HUv0O81FP4rt4fiFPQdd1i4/6K9UPV7wfwyF lcow== X-Gm-Message-State: ABy/qLbFluIiWyKRe0C0lrybhZ+rBSX3N1iwpJOtp4YsuVYuajOf9g87 lgSHFYMpWXmerGJ5E/Y+oEk= X-Google-Smtp-Source: APBJJlFMeQGxec1oJDVWQUYg3sII69ysVmGK3iC6jxP+dksIpqg/98z6796G6YK9NBoYSePtafE2Ug== X-Received: by 2002:a25:7ac6:0:b0:c5e:d3af:35cb with SMTP id v189-20020a257ac6000000b00c5ed3af35cbmr8904739ybc.42.1690258868599; Mon, 24 Jul 2023 21:21:08 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 01/31] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 24 Jul 2023 21:20:21 -0700 Message-Id: <20230725042051.36691-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258902421100004 Content-Type: text/plain; charset="utf-8" No folio equivalents for page type operations have been defined, so define them for later folio conversions. Also changes the Page##uname macros to take in const struct page* since we only read the memory here. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/page-flags.h | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 92a2063a0a23..9218028caf33 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -908,6 +908,8 @@ static inline bool is_page_hwpoison(struct page *page) =20 #define PageType(page, flag) \ ((page->page_type & (PAGE_TYPE_BASE | flag)) =3D=3D PAGE_TYPE_BASE) +#define folio_test_type(folio, flag) \ + ((folio->page.page_type & (PAGE_TYPE_BASE | flag)) =3D=3D PAGE_TYPE_BASE) =20 static inline int page_type_has_type(unsigned int page_type) { @@ -919,27 +921,41 @@ static inline int page_has_type(struct page *page) return page_type_has_type(page->page_type); } =20 -#define PAGE_TYPE_OPS(uname, lname) \ -static __always_inline int Page##uname(struct page *page) \ +#define PAGE_TYPE_OPS(uname, lname, fname) \ +static __always_inline int Page##uname(const struct page *page) \ { \ return PageType(page, PG_##lname); \ } \ +static __always_inline int folio_test_##fname(const struct folio *folio)\ +{ \ + return folio_test_type(folio, PG_##lname); \ +} \ static __always_inline void __SetPage##uname(struct page *page) \ { \ VM_BUG_ON_PAGE(!PageType(page, 0), page); \ page->page_type &=3D ~PG_##lname; \ } \ +static __always_inline void __folio_set_##fname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_type(folio, 0), folio); \ + folio->page.page_type &=3D ~PG_##lname; \ +} \ static __always_inline void __ClearPage##uname(struct page *page) \ { \ VM_BUG_ON_PAGE(!Page##uname(page), page); \ page->page_type |=3D PG_##lname; \ -} +} \ +static __always_inline void __folio_clear_##fname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_##fname(folio), folio); \ + folio->page.page_type |=3D PG_##lname; \ +} \ =20 /* * PageBuddy() indicates that the page is free and in the buddy system * (see mm/page_alloc.c). */ -PAGE_TYPE_OPS(Buddy, buddy) +PAGE_TYPE_OPS(Buddy, buddy, buddy) =20 /* * PageOffline() indicates that the page is logically offline although the @@ -963,7 +979,7 @@ PAGE_TYPE_OPS(Buddy, buddy) * pages should check PageOffline() and synchronize with such drivers using * page_offline_freeze()/page_offline_thaw(). */ -PAGE_TYPE_OPS(Offline, offline) +PAGE_TYPE_OPS(Offline, offline, offline) =20 extern void page_offline_freeze(void); extern void page_offline_thaw(void); @@ -973,12 +989,12 @@ extern void page_offline_end(void); /* * Marks pages in use as page tables. */ -PAGE_TYPE_OPS(Table, table) +PAGE_TYPE_OPS(Table, table, pgtable) =20 /* * Marks guardpages used with debug_pagealloc. */ -PAGE_TYPE_OPS(Guard, guard) +PAGE_TYPE_OPS(Guard, guard, guard) =20 extern bool is_free_buddy_page(struct page *page); =20 --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258912; cv=none; d=zohomail.com; s=zohoarc; b=ho4Egibnnf2PFxAweX9L3EMYCNUguBohnsGIPYGJPqfRh6iynI18iE8H9qf11XdJ0HnRJ3tfqYz/7AmNdFTmoRBOzWK8QfJYxm6ig8mUx3mUDojoqfFIejY0WG6qkt3dHjJXGLRdRePKOFolxGi/1fbTbmy6GdGrzUhOLFEmLqQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258912; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Z39OytypuZQhWkFCV+z6u8l5O5ZgTP/vsQXKA5JsO6g=; b=FpaAJWoCYnNrbraJIsdwdvFD9pIucHNG2IFLAKi/oPx0q8z6ffEnVOxca7Gj6bYFich0esGoBVKB1VBU8uhxdRcT4RASsBR21of/7c4sxecLG6l3EWq4L3iLCOkaZkevCJ7i2ZUy2uaaBzy26q4R+ieYIFVeFvvipjVozajsSvs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258912444497.54200411456; Mon, 24 Jul 2023 21:21:52 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569356.889810 (Exim 4.92) (envelope-from ) id 1qO9Xv-0002Yc-M9; Tue, 25 Jul 2023 04:21:15 +0000 Received: by outflank-mailman (output) from mailman id 569356.889810; Tue, 25 Jul 2023 04:21:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xv-0002YV-Hi; Tue, 25 Jul 2023 04:21:15 +0000 Received: by outflank-mailman (input) for mailman id 569356; Tue, 25 Jul 2023 04:21:14 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xu-0002Iw-AT for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:14 +0000 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [2607:f8b0:4864:20::b35]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id afa6f1d4-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:12 +0200 (CEST) Received: by mail-yb1-xb35.google.com with SMTP id 3f1490d57ef6-d129edb8261so1957794276.1 for ; Mon, 24 Jul 2023 21:21:12 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:10 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: afa6f1d4-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258871; x=1690863671; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Z39OytypuZQhWkFCV+z6u8l5O5ZgTP/vsQXKA5JsO6g=; b=nfSBxZc3bItW8IdMBLL+dSGF/sScmKpt0AcwakiFztIyJApvwUouFBq2QYNw8J0rTh aGOyeE8+hHOVNRFF4WnJZ/JBfvYsJ6/Oqtf1pd4yYE50HlUq0kH3gRbnZoqyUUw5UiUt 9BiNVm/Jcmu4oBRAf0Ghv+POnWAvJRL2FAU4oS0kRbRMToMj9LqJMWXwLu8fKfr8IAjj wOqfUiwKX3V5nYlU7QswO3bA3PxVILROT4IFFlX3tqCczMBU5TNT3JSvKElDhd9S0f0I IVPRDxFnKb0Q83Ir8UwSfLZr1e3Lc2Zl/QQj5qJvJK7JbaWdiWhNWfmCQ7brLh/spl2P pUgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258871; x=1690863671; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Z39OytypuZQhWkFCV+z6u8l5O5ZgTP/vsQXKA5JsO6g=; b=UN8WEXNB8EB4nMx4YOVaTpo6NtqqCEXBenbQSzlsLpM2Rk4yo81UzLr7Xv1PDcIlaL Haz2faIYZ+RCAWveg+ZTrtSzQUL83XzxwDCjZlwGK4k6/6lWirQ6FyfmlV4QhJlXKTCy RKlCrMIOfAeKcchXp3Xj4h+ldixgovMJVNS93vk0Tm5ZWuYWApjW16NKplCsagZsrVtK ECHtLKU+Xb1ngmO6kjhi+JrmyM8k/P8IzJ4/vJTkboTx9GyVb3zEQzMAGGjnvPujppqM XNh5N9yE8GxdDZljGAIGB/oWNANCC3r8bOrHoWH8lns8EzGL9jrPGdIuGVG3iuIQM4Pj a+Pg== X-Gm-Message-State: ABy/qLaTKwKEw3fXj55MD7ERYjhTC2G1Jvy+nTAXigzzXownaAzrRUNO 6bl4G2BgJCx8fyAAa6hRtTw= X-Google-Smtp-Source: APBJJlH3lH39robuGI5LChDr8WX6p02zic6DdoBpY//WhDEwtiPShXvAKethMDx9GI6ybtlOyIPsYw== X-Received: by 2002:a25:b4c:0:b0:cb7:a41e:be58 with SMTP id 73-20020a250b4c000000b00cb7a41ebe58mr1296053ybl.23.1690258870978; Mon, 24 Jul 2023 21:21:10 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 02/31] pgtable: Create struct ptdesc Date: Mon, 24 Jul 2023 21:20:22 -0700 Message-Id: <20230725042051.36691-3-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258914234100009 Content-Type: text/plain; charset="utf-8" Currently, page table information is stored within struct page. As part of simplifying struct page, create struct ptdesc for page table information. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/pgtable.h | 71 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 5f36c055794b..1f92514d54b0 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -993,6 +993,77 @@ static inline void ptep_modify_prot_commit(struct vm_a= rea_struct *vma, #endif /* __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION */ #endif /* CONFIG_MMU */ =20 + +/** + * struct ptdesc - Memory descriptor for page tables. + * @__page_flags: Same as page flags. Unused for page tables. + * @pt_rcu_head: For freeing page table pages. + * @pt_list: List of used page tables. Used for s390 and x86. + * @_pt_pad_1: Padding that aliases with page's compound head. + * @pmd_huge_pte: Protected by ptdesc->ptl, used for THPs. + * @__page_mapping: Aliases with page->mapping. Unused for page tables. + * @pt_mm: Used for x86 pgds. + * @pt_frag_refcount: For fragmented page table tracking. Powerpc and s390= only. + * @_pt_pad_2: Padding to ensure proper alignment. + * @ptl: Lock for the page table. + * @__page_type: Same as page->page_type. Unused for page tables. + * @_refcount: Same as page refcount. Used for s390 page tables. + * @pt_memcg_data: Memcg data. Tracked for page tables here. + * + * This struct overlays struct page for now. Do not modify without a good + * understanding of the issues. + */ +struct ptdesc { + unsigned long __page_flags; + + union { + struct rcu_head pt_rcu_head; + struct list_head pt_list; + struct { + unsigned long _pt_pad_1; + pgtable_t pmd_huge_pte; + }; + }; + unsigned long __page_mapping; + + union { + struct mm_struct *pt_mm; + atomic_t pt_frag_refcount; + }; + + union { + unsigned long _pt_pad_2; +#if ALLOC_SPLIT_PTLOCKS + spinlock_t *ptl; +#else + spinlock_t ptl; +#endif + }; + unsigned int __page_type; + atomic_t _refcount; +#ifdef CONFIG_MEMCG + unsigned long pt_memcg_data; +#endif +}; + +#define TABLE_MATCH(pg, pt) \ + static_assert(offsetof(struct page, pg) =3D=3D offsetof(struct ptdesc, pt= )) +TABLE_MATCH(flags, __page_flags); +TABLE_MATCH(compound_head, pt_list); +TABLE_MATCH(compound_head, _pt_pad_1); +TABLE_MATCH(pmd_huge_pte, pmd_huge_pte); +TABLE_MATCH(mapping, __page_mapping); +TABLE_MATCH(pt_mm, pt_mm); +TABLE_MATCH(ptl, ptl); +TABLE_MATCH(rcu_head, pt_rcu_head); +TABLE_MATCH(page_type, __page_type); +TABLE_MATCH(_refcount, _refcount); +#ifdef CONFIG_MEMCG +TABLE_MATCH(memcg_data, pt_memcg_data); +#endif +#undef TABLE_MATCH +static_assert(sizeof(struct ptdesc) <=3D sizeof(struct page)); + /* * No-op macros that just return the current protection value. Defined here * because these macros can be used even if CONFIG_MMU is not defined. --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258900; cv=none; d=zohomail.com; s=zohoarc; b=QhiDALfR5GdDFBbrWtNClJkTYV2bfiCwSvpyDiY8M7FpI4Ll4cj3RuOw56rYZwnyO2TDupQxPzX+tUCLX4kTpo3x4gG106oJEt0HBhkCUBVfJU/+Ov8X3qfA/Hwv9bRs8yQB4ze1XJChKXpBKVQclehrKinS6fyqt/QItPl52eA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258900; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=VFdcrIV5fIYEpRddOkWey4lp7uyipkLol3FVSysO4BI=; b=UsZOKzvsej9XtYaOvteg7C8hp+4+bdr4LI6XPvMQ4JUHDVV23E/lyLqCT+5bhmchpnJNVb53wVLsOH0axNGEXf31ZWqkgH9OyRtRw/XsASJAvmmjqJRiCg93mKHNrfd2cNKJRAebyX5pie5NTmgtf180WK4OyIB2Qs3kphxuSvA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258900909563.1069945228736; Mon, 24 Jul 2023 21:21:40 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569357.889816 (Exim 4.92) (envelope-from ) id 1qO9Xw-0002cG-1W; Tue, 25 Jul 2023 04:21:16 +0000 Received: by outflank-mailman (output) from mailman id 569357.889816; Tue, 25 Jul 2023 04:21:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xv-0002bP-QI; Tue, 25 Jul 2023 04:21:15 +0000 Received: by outflank-mailman (input) for mailman id 569357; Tue, 25 Jul 2023 04:21:14 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xu-0002Iw-SZ for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:14 +0000 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [2607:f8b0:4864:20::b36]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id b0e9c554-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:14 +0200 (CEST) Received: by mail-yb1-xb36.google.com with SMTP id 3f1490d57ef6-ccc462deca6so5718693276.0 for ; Mon, 24 Jul 2023 21:21:14 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:12 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b0e9c554-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258873; x=1690863673; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=VFdcrIV5fIYEpRddOkWey4lp7uyipkLol3FVSysO4BI=; b=s2BAwwv8oUl+Hs1v7tcLJQyKdVwJshh+4MpeNVgW1JpMCfNsHy0yAipjGg5nDC4TQ3 JkHdARTanKtpCG9rN/oS8YzJfpPRNx6XW3JcMNzfdGZFEFJtnvS7vhAwLgXYeaHpX4H5 NJaLuVvVp94MScMO0B9PaYwNUr2ulC3xrBpZ+CyDbAB9PpgdPgDL4PRuM4CqBe7/ffTt TmfnC+ju4A6ouW55J0uzsReFyd+IYIWUEILsrpu+20SnVPwPWzbnSxYO46LPY8/Yv8hj xJ022X/2C2f6wqhTFayqxrRvwC61r0RZYX59fEcwS+AuUkwZ6FlssTAYS5BT87g2jU8h 4qTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258873; x=1690863673; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VFdcrIV5fIYEpRddOkWey4lp7uyipkLol3FVSysO4BI=; b=Z/XI1mamp4mmDvd17RjDZBFkaCcdpPtl+fIhMQpXR2pHcl+auFVzUEqVNLSrvCdtay xLYp9GUA4+y4VlHpzK+RI6bAucHQ5xD1kGoIZqWi//czpaLZn40vadf7NShymsFr34OT VLCbUwjzBL5MY0gdJ8/q4xovYLMtRRtxLy/ID9V6/85zW1rUL14KGx11RNVOYVOt7jsL aKxyiM2pKZJDsP9kgtSfTYVtIGeEJAg7ZlJWi7I4FO+ti+SY20DaeH3fjMoy2YfvIUVT P8Xizld8j7wxs/ODhnb+WZM+pAAyQefhcavWIE1xpaZw6CYBtUZ7AiAeTDHZyYgVyrdK lvuA== X-Gm-Message-State: ABy/qLY6Pt94TNgHcdJ4RBBabNjBZO02s788pkc0dL0nRuEOw3W/45vi gSymTicy5mFCl5apa16yLCU= X-Google-Smtp-Source: APBJJlEljmstle/55h2Wn4YBOHbmslxxkZ+0xzy95w3akZzqV4BQHNPNvPKRyocnj15MdoqDrOBO8w== X-Received: by 2002:a25:1e09:0:b0:d05:2b13:aec9 with SMTP id e9-20020a251e09000000b00d052b13aec9mr8919211ybe.23.1690258873123; Mon, 24 Jul 2023 21:21:13 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" Subject: [PATCH mm-unstable v7 03/31] mm: add utility functions for ptdesc Date: Mon, 24 Jul 2023 21:20:23 -0700 Message-Id: <20230725042051.36691-4-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258901778100001 Content-Type: text/plain; charset="utf-8" Introduce utility functions setting the foundation for ptdescs. These will also assist in the splitting out of ptdesc from struct page. Functions that focus on the descriptor are prefixed with ptdesc_* while functions that focus on the pagetable are prefixed with pagetable_*. pagetable_alloc() is defined to allocate new ptdesc pages as compound pages. This is to standardize ptdescs by allowing for one allocation and one free function, in contrast to 2 allocation and 2 free functions. Signed-off-by: Vishal Moola (Oracle) --- include/asm-generic/tlb.h | 11 +++++++ include/linux/mm.h | 61 +++++++++++++++++++++++++++++++++++++++ include/linux/pgtable.h | 12 ++++++++ 3 files changed, 84 insertions(+) diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index bc32a2284c56..129a3a759976 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -480,6 +480,17 @@ static inline void tlb_remove_page(struct mmu_gather *= tlb, struct page *page) return tlb_remove_page_size(tlb, page, PAGE_SIZE); } =20 +static inline void tlb_remove_ptdesc(struct mmu_gather *tlb, void *pt) +{ + tlb_remove_table(tlb, pt); +} + +/* Like tlb_remove_ptdesc, but for page-like page directories. */ +static inline void tlb_remove_page_ptdesc(struct mmu_gather *tlb, struct p= tdesc *pt) +{ + tlb_remove_page(tlb, ptdesc_page(pt)); +} + static inline void tlb_change_page_size(struct mmu_gather *tlb, unsigned int page_size) { diff --git a/include/linux/mm.h b/include/linux/mm.h index 2ba73f09ae4a..3fda0ad41cf2 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2787,6 +2787,57 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm,= pud_t *pud, unsigned long a } #endif /* CONFIG_MMU */ =20 +static inline struct ptdesc *virt_to_ptdesc(const void *x) +{ + return page_ptdesc(virt_to_page(x)); +} + +static inline void *ptdesc_to_virt(const struct ptdesc *pt) +{ + return page_to_virt(ptdesc_page(pt)); +} + +static inline void *ptdesc_address(const struct ptdesc *pt) +{ + return folio_address(ptdesc_folio(pt)); +} + +static inline bool pagetable_is_reserved(struct ptdesc *pt) +{ + return folio_test_reserved(ptdesc_folio(pt)); +} + +/** + * pagetable_alloc - Allocate pagetables + * @gfp: GFP flags + * @order: desired pagetable order + * + * pagetable_alloc allocates memory for page tables as well as a page table + * descriptor to describe that memory. + * + * Return: The ptdesc describing the allocated page tables. + */ +static inline struct ptdesc *pagetable_alloc(gfp_t gfp, unsigned int order) +{ + struct page *page =3D alloc_pages(gfp | __GFP_COMP, order); + + return page_ptdesc(page); +} + +/** + * pagetable_free - Free pagetables + * @pt: The page table descriptor + * + * pagetable_free frees the memory of all page tables described by a page + * table descriptor and the memory for the descriptor itself. + */ +static inline void pagetable_free(struct ptdesc *pt) +{ + struct page *page =3D ptdesc_page(pt); + + __free_pages(page, compound_order(page)); +} + #if USE_SPLIT_PTE_PTLOCKS #if ALLOC_SPLIT_PTLOCKS void __init ptlock_cache_init(void); @@ -2913,6 +2964,11 @@ static inline struct page *pmd_pgtable_page(pmd_t *p= md) return virt_to_page((void *)((unsigned long) pmd & mask)); } =20 +static inline struct ptdesc *pmd_ptdesc(pmd_t *pmd) +{ + return page_ptdesc(pmd_pgtable_page(pmd)); +} + static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) { return ptlock_ptr(pmd_pgtable_page(pmd)); @@ -3025,6 +3081,11 @@ static inline void mark_page_reserved(struct page *p= age) adjust_managed_page_count(page, -1); } =20 +static inline void free_reserved_ptdesc(struct ptdesc *pt) +{ + free_reserved_page(ptdesc_page(pt)); +} + /* * Default method to free all the __init memory into the buddy system. * The freed pages will be poisoned with pattern "poison" if it's within diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 1f92514d54b0..250fdeba68f3 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1064,6 +1064,18 @@ TABLE_MATCH(memcg_data, pt_memcg_data); #undef TABLE_MATCH static_assert(sizeof(struct ptdesc) <=3D sizeof(struct page)); =20 +#define ptdesc_page(pt) (_Generic((pt), \ + const struct ptdesc *: (const struct page *)(pt), \ + struct ptdesc *: (struct page *)(pt))) + +#define ptdesc_folio(pt) (_Generic((pt), \ + const struct ptdesc *: (const struct folio *)(pt), \ + struct ptdesc *: (struct folio *)(pt))) + +#define page_ptdesc(p) (_Generic((p), \ + const struct page *: (const struct ptdesc *)(p), \ + struct page *: (struct ptdesc *)(p))) + /* * No-op macros that just return the current protection value. Defined here * because these macros can be used even if CONFIG_MMU is not defined. --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258909; cv=none; d=zohomail.com; s=zohoarc; b=lx6FmWyRdq9xWCGtHjQfITOnnz9dYDtpBJJ/VRoWLP1AxOjdLruJ/YaN6SUDzN2wThKesM9F/9cmTFTZnHm9rm+cOSdG2hCUYZP7IE5JIbGTQSouhHrqbL4AG5zFDaMpWWn/NFPNiwLH9NtCXUYeK1FUOlY7afmvFfAIaJAKegk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258909; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=IUMUqbW/uAIHfn0G4toP3JCuPKsaNgXF+JjYaBSaBaw=; b=HD1hMuflQpAjBrIDBf8TWHOHCkMNkLMBw7bGRcDyH5203EiDrb1TQxFCmINtPeoGU4pNTUV5ZlWZIVTklSQZW+o40JjmbNoOxc3uC1hPIUmi0tw26bOECmN7eF7CeZTIyqf1QfAij+QXUJ7Ddc5jFcv61D6/fRk0DBzWZPcoveM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258909109237.53527285466532; Mon, 24 Jul 2023 21:21:49 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569358.889830 (Exim 4.92) (envelope-from ) id 1qO9Xz-00036J-6p; Tue, 25 Jul 2023 04:21:19 +0000 Received: by outflank-mailman (output) from mailman id 569358.889830; Tue, 25 Jul 2023 04:21:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xz-000367-3b; Tue, 25 Jul 2023 04:21:19 +0000 Received: by outflank-mailman (input) for mailman id 569358; Tue, 25 Jul 2023 04:21:18 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Xy-00023t-Ao for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:18 +0000 Received: from mail-yb1-xb29.google.com (mail-yb1-xb29.google.com [2607:f8b0:4864:20::b29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b22ac632-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:16 +0200 (CEST) Received: by mail-yb1-xb29.google.com with SMTP id 3f1490d57ef6-c5cf26e9669so4296593276.0 for ; Mon, 24 Jul 2023 21:21:16 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:14 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b22ac632-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258875; x=1690863675; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=IUMUqbW/uAIHfn0G4toP3JCuPKsaNgXF+JjYaBSaBaw=; b=p9s9prTX9rn/wpC0IRJR9+orYvMKxIQqYiO/2qc1ucIOxNaOErt5vfdpNKxEU6T/vv +2unp610u7/KZK91WoTQLcBH/VtkD3XUQxHC44CLkqpLaHmHFzgBPOO6uWyO/3jX9Xgf 76GcUW4UU7BHeMr+SY/V25wW6PaanozuCo4EhC7wsdhYIlQKIrWatw16Z/wgKznB+Orn ruoMSNrGoRWxyM/OJxGteQSORJl7RZHeZVq6QR7pMySplhmG3+tZ02+FH1KXAFJgXdGU XCaHvNOv6BykhfTtnLqNaZvGHZmQ1vFu3nRlDk8gtK37Li+LTW7MffEEWNWOsyB37y52 60nA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258875; x=1690863675; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=IUMUqbW/uAIHfn0G4toP3JCuPKsaNgXF+JjYaBSaBaw=; b=iO9WDfRD8Q07KOIskDZt8rKlNEWbLK3W/HBVdnoNFwpY9GT+FGlKq7JcPb+MzPLhs3 2wZcxAa+J1BwAZKk80mgqfYeCwrQTa9XgPYvGHWTYbbCV2rA3jGS3FoW69P/NgX2GUF+ PzKarrPihy1qaNqBBxA6dtui1zywO2P2geBD2DeMXO0ep8DIbVcVwngUTiNPmAZBWx0V 57ZWUCUEjqQRgnongZGcZq7Nxcwwd+6KxdS5l+G9Jf2p0xZWKWrB/v+Z5PnngAQ1evzL u23M3ETMkUxeHc35XJxBzKD5lASWiSN/dztESkuHxe53Ac2UN+oiS2d5NhH1gKW82ThQ Up+g== X-Gm-Message-State: ABy/qLay5YkkYGmwKe0Af5bG5p5cImoeIT8lfnUfIgr7i9wojgS6lSGx 6yF6aTdQxJcT/A0qd/9cxSc= X-Google-Smtp-Source: APBJJlEMSP0J8OF6O819F/tTFVo5KNWedtuWn+u3qsGgdRhWZk0PUYcaZVFlVCsLViSNb2GRnqh20Q== X-Received: by 2002:a25:6b45:0:b0:d10:68c5:233e with SMTP id o5-20020a256b45000000b00d1068c5233emr4343866ybm.60.1690258875202; Mon, 24 Jul 2023 21:21:15 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 04/31] mm: Convert pmd_pgtable_page() callers to use pmd_ptdesc() Date: Mon, 24 Jul 2023 21:20:24 -0700 Message-Id: <20230725042051.36691-5-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258910447100001 Content-Type: text/plain; charset="utf-8" Converts internal pmd_pgtable_page() callers to use pmd_ptdesc(). This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 3fda0ad41cf2..bf552a106e4a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2971,7 +2971,7 @@ static inline struct ptdesc *pmd_ptdesc(pmd_t *pmd) =20 static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) { - return ptlock_ptr(pmd_pgtable_page(pmd)); + return ptlock_ptr(ptdesc_page(pmd_ptdesc(pmd))); } =20 static inline bool pmd_ptlock_init(struct page *page) @@ -2990,7 +2990,7 @@ static inline void pmd_ptlock_free(struct page *page) ptlock_free(page); } =20 -#define pmd_huge_pte(mm, pmd) (pmd_pgtable_page(pmd)->pmd_huge_pte) +#define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) =20 #else =20 --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258900; cv=none; d=zohomail.com; s=zohoarc; b=bz8B06OOxXXa/9qWLaoxfttrH5L/9vJCkOe2pbn0e28evGYs7o45NWhaey8e4xnv6ACxpeoUbC1p0h4EOcKs7TKHasYlx3OrPeW/moMclTRskyQjXlq7QkPeJkjcj8s+I+6oLsK/8DIY3KGBpPONcrRRQNRt3zO3717H4XajTv4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258900; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hLtCJBysrabsGyMeKlbK2lKTjEzHhmjaMpElw0hOQuQ=; b=PyyL4aofB46UUJQovfvT2pkeEPrQONbX/KwV34vjF+oaWbb+hIozqY5rbHeO1TsThcIneLnCLGIMvJe4ncyRJ8izyjaTAzBuGy/qEPa9iZdVynh1eCg5X9bqwHhEkkKgOjwsmbP1vG1nCJNkQ2bZKvkAHO9NOdoudqIuAQG7k0w= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258900859468.8033819289942; Mon, 24 Jul 2023 21:21:40 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569359.889840 (Exim 4.92) (envelope-from ) id 1qO9Y1-0003Pv-LQ; Tue, 25 Jul 2023 04:21:21 +0000 Received: by outflank-mailman (output) from mailman id 569359.889840; Tue, 25 Jul 2023 04:21:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y1-0003Pi-Hs; Tue, 25 Jul 2023 04:21:21 +0000 Received: by outflank-mailman (input) for mailman id 569359; Tue, 25 Jul 2023 04:21:20 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y0-00023t-2w for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:20 +0000 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [2607:f8b0:4864:20::b33]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b35b6c95-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:18 +0200 (CEST) Received: by mail-yb1-xb33.google.com with SMTP id 3f1490d57ef6-c5f98fc4237so4296915276.2 for ; Mon, 24 Jul 2023 21:21:18 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:16 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b35b6c95-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258877; x=1690863677; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=hLtCJBysrabsGyMeKlbK2lKTjEzHhmjaMpElw0hOQuQ=; b=gPFq/JoYwJjLf9rVCoB8Lw8LOssqafkFQKm1MRAos7/YFfmCVQ5zZtnC0rhhBdQCXk N7cP2rb2Gc3I1sIFDEA6WDVqpFvuzV9g0ksMwxcFOLrW1SrVCbGbF2JEMKH7iGrlo6kh szCDqr3K9qHITaCMG+6I4Bv2DGuidVlNjZotb70C80Hqf3ER0SLHbbdax/uMFjYuJbcP w5E647QIdwTWza0fMIXSMCOI01eppzdj1zv2JddPFf9pPmBUxHnIhf/jhE5I9HeeHTOn pGU0qrcAaECYa9O8B/YJzvoVn8SSXjyAEPRTA5PEQfVza6O4EJzAJ9koweASwJRx6Tml xocw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258877; x=1690863677; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=hLtCJBysrabsGyMeKlbK2lKTjEzHhmjaMpElw0hOQuQ=; b=fVm+YVde7wtk5wNM/RDXS3otVozwUp66OTekU3jCci4u1gSZWyT01cCkYxELM5FvvN RSPxGfgwLt0g+rCUClYJl+xzFR88VbEMGwT3XTu40GbA1lHJN/n9fZVZGPo8f4mDNlGT 6t6m5ma+yP494NNCECeA4UHCC8hzbW08EXFEA8Xd22LNUOPX3263bDLDX+qnj5be1ODc jBaYlMPDg1OPGLwaUGQD9yoeQwU0JmzeS/cU8kezdd7vJhj2Gx6DBYLSixUn74OBS9wE 86jPIwASO+ACjXnnesHkBwuQDuBti8vXzzF8rfL6AqxC4w9fh40XIOhkq3cs4jW7dE5y +NAQ== X-Gm-Message-State: ABy/qLa1sty+YjiJs+gymQey+vIWFrYNBFFtLOtDkMfnl5pXq0XuW194 1l+gmuLTKYpNgYFzgouhdtQ= X-Google-Smtp-Source: APBJJlHyqmJ7X8HSspT6LddsJqdqN9Il/WFvcTF4BUwycttfbECYy8j8wA/EIsdExukzdWEa0jT4RQ== X-Received: by 2002:a25:4cca:0:b0:d01:52da:9625 with SMTP id z193-20020a254cca000000b00d0152da9625mr7877273yba.13.1690258877265; Mon, 24 Jul 2023 21:21:17 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 05/31] mm: Convert ptlock_alloc() to use ptdescs Date: Mon, 24 Jul 2023 21:20:25 -0700 Message-Id: <20230725042051.36691-6-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258902421100003 Content-Type: text/plain; charset="utf-8" This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 6 +++--- mm/memory.c | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index bf552a106e4a..b3fce0bfe201 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2841,7 +2841,7 @@ static inline void pagetable_free(struct ptdesc *pt) #if USE_SPLIT_PTE_PTLOCKS #if ALLOC_SPLIT_PTLOCKS void __init ptlock_cache_init(void); -extern bool ptlock_alloc(struct page *page); +bool ptlock_alloc(struct ptdesc *ptdesc); extern void ptlock_free(struct page *page); =20 static inline spinlock_t *ptlock_ptr(struct page *page) @@ -2853,7 +2853,7 @@ static inline void ptlock_cache_init(void) { } =20 -static inline bool ptlock_alloc(struct page *page) +static inline bool ptlock_alloc(struct ptdesc *ptdesc) { return true; } @@ -2883,7 +2883,7 @@ static inline bool ptlock_init(struct page *page) * slab code uses page->slab_cache, which share storage with page->ptl. */ VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page); - if (!ptlock_alloc(page)) + if (!ptlock_alloc(page_ptdesc(page))) return false; spin_lock_init(ptlock_ptr(page)); return true; diff --git a/mm/memory.c b/mm/memory.c index 2130bad76eb1..4fee273595e2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -6231,14 +6231,14 @@ void __init ptlock_cache_init(void) SLAB_PANIC, NULL); } =20 -bool ptlock_alloc(struct page *page) +bool ptlock_alloc(struct ptdesc *ptdesc) { spinlock_t *ptl; =20 ptl =3D kmem_cache_alloc(page_ptl_cachep, GFP_KERNEL); if (!ptl) return false; - page->ptl =3D ptl; + ptdesc->ptl =3D ptl; return true; } =20 --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258915; cv=none; d=zohomail.com; s=zohoarc; b=U9FdVh7XPLdswbZJR3r8OFvAI4ad3FnQ3WVuTbssUZo7qZcD/F4vs6tPMlSKVDI2CW4LApys7R9B8daI8H73dG0dQviU2lmzpC8wwm3b3ih/oT6UPrYkuKM2vTeZyl3wuBh8FFgfGBjMNZ4jVoGokTG+gDaNqNg7pfS063jRPT8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258915; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=uNVCmnQN0ufsotHop6mLPsVoSXSsgvYy2QMaIqEOqi4=; b=kmWzEam1GwfIlRig39Ppx3le802pe1I7hRC4m2u1713vdKT4qZ2YNIL3Ift/xBjDXjaOBXOKX9QNfj7HdOlp27A5LfHtiJgcexL89xCn8mlrkOE114V6MxnsSgiLORLpVGUtYov21q74P4rFIqjLMnfgJoodmsx2yGkrSYnLv6s= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258915349594.0842755269784; Mon, 24 Jul 2023 21:21:55 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569360.889850 (Exim 4.92) (envelope-from ) id 1qO9Y4-0003jY-00; Tue, 25 Jul 2023 04:21:24 +0000 Received: by outflank-mailman (output) from mailman id 569360.889850; Tue, 25 Jul 2023 04:21:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y3-0003jM-Pj; Tue, 25 Jul 2023 04:21:23 +0000 Received: by outflank-mailman (input) for mailman id 569360; Tue, 25 Jul 2023 04:21:22 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y1-00023t-Vq for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:21 +0000 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [2607:f8b0:4864:20::b35]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b48fc086-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:20 +0200 (CEST) Received: by mail-yb1-xb35.google.com with SMTP id 3f1490d57ef6-c11e2b31b95so5469540276.3 for ; Mon, 24 Jul 2023 21:21:20 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:18 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b48fc086-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258879; x=1690863679; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uNVCmnQN0ufsotHop6mLPsVoSXSsgvYy2QMaIqEOqi4=; b=KDYHcYEdfvpzUEFX0lNkksdcmQYTfb1isarY0fEljmc2IAYrJ5nDDg/7JZU04JTP3L c1QFP/HGIvTwW+tPYnlNpNTf+bNvT4Orf2hELyP6ANZ15n2MuBFPHNYtsv0S4hi5lotS plPoF0Qd+eEXR5m8DnmPEfjKpZQYq5r/wJZjYdNGeMiNfjBcVsPF+85ffm8Hp1058zGf E5mhpdv5sROIr4fRE4AWEGFCJJhFOSPgScin1k95zzp/7dsKEN0qwGECqGpXVDa6nTcU k6so3Cygyv6WxOWRYm0T8muDY8KTb9y3edYXGJvaWKcZYnoxLAplBnufWrEfQhIBMbq5 IGpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258879; x=1690863679; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uNVCmnQN0ufsotHop6mLPsVoSXSsgvYy2QMaIqEOqi4=; b=PUUxBuxE2nIxzV22Nq0qk7Ipq+Kh+YdnvdxLspBpxFEwgG0hHwaZqhrexIg82+rDIP SMh7U6TKELBQuRmM90x/AlW/ShYyf6Zi3E9sQ9/DypaemTXMoANFGhP/aDu4oUFiVduk eCIHP22FYgb57DPFlJfvMmhG/mbzugbor9PGweEy/2s4HXc5kgJ+Jy1TFA4iR66AC4wE iQX9UJoOgUufooiMY9pGxREoy259aT0VwJuXwPuyDBc245Z0jOQ/sTEg/9SsTACBOnaL vW9rr9HLum4CTPbpkAB9NUBPp7F0ImmQvYlAjDxfUfDFotvB6CuK6/eFoM9ylTnyWStX ascQ== X-Gm-Message-State: ABy/qLYwld4P5fPoDs/f2thUHfM1MtW2b8so64kyYn0DL4Wa1e+JjH1R B2veSwMQLGpufAX2U7cJE+GlPRLi3MxIeA== X-Google-Smtp-Source: APBJJlEiFrFEbevAO9Lv8rv0gB/m4nTd0LDSBWnZ0KZCrLtO0+gMBzxp+Bweq5U88z1Cb1Q1T0NNwg== X-Received: by 2002:a5b:cd2:0:b0:c1b:d362:4b49 with SMTP id e18-20020a5b0cd2000000b00c1bd3624b49mr9588966ybr.50.1690258879241; Mon, 24 Jul 2023 21:21:19 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 06/31] mm: Convert ptlock_ptr() to use ptdescs Date: Mon, 24 Jul 2023 21:20:26 -0700 Message-Id: <20230725042051.36691-7-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258916243100011 Content-Type: text/plain; charset="utf-8" This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/x86/xen/mmu_pv.c | 2 +- include/linux/mm.h | 14 +++++++------- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index e0a975165de7..8796ec310483 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -667,7 +667,7 @@ static spinlock_t *xen_pte_lock(struct page *page, stru= ct mm_struct *mm) spinlock_t *ptl =3D NULL; =20 #if USE_SPLIT_PTE_PTLOCKS - ptl =3D ptlock_ptr(page); + ptl =3D ptlock_ptr(page_ptdesc(page)); spin_lock_nest_lock(ptl, &mm->page_table_lock); #endif =20 diff --git a/include/linux/mm.h b/include/linux/mm.h index b3fce0bfe201..c155f82dd2cc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2844,9 +2844,9 @@ void __init ptlock_cache_init(void); bool ptlock_alloc(struct ptdesc *ptdesc); extern void ptlock_free(struct page *page); =20 -static inline spinlock_t *ptlock_ptr(struct page *page) +static inline spinlock_t *ptlock_ptr(struct ptdesc *ptdesc) { - return page->ptl; + return ptdesc->ptl; } #else /* ALLOC_SPLIT_PTLOCKS */ static inline void ptlock_cache_init(void) @@ -2862,15 +2862,15 @@ static inline void ptlock_free(struct page *page) { } =20 -static inline spinlock_t *ptlock_ptr(struct page *page) +static inline spinlock_t *ptlock_ptr(struct ptdesc *ptdesc) { - return &page->ptl; + return &ptdesc->ptl; } #endif /* ALLOC_SPLIT_PTLOCKS */ =20 static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) { - return ptlock_ptr(pmd_page(*pmd)); + return ptlock_ptr(page_ptdesc(pmd_page(*pmd))); } =20 static inline bool ptlock_init(struct page *page) @@ -2885,7 +2885,7 @@ static inline bool ptlock_init(struct page *page) VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page); if (!ptlock_alloc(page_ptdesc(page))) return false; - spin_lock_init(ptlock_ptr(page)); + spin_lock_init(ptlock_ptr(page_ptdesc(page))); return true; } =20 @@ -2971,7 +2971,7 @@ static inline struct ptdesc *pmd_ptdesc(pmd_t *pmd) =20 static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) { - return ptlock_ptr(ptdesc_page(pmd_ptdesc(pmd))); + return ptlock_ptr(pmd_ptdesc(pmd)); } =20 static inline bool pmd_ptlock_init(struct page *page) --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258910; cv=none; d=zohomail.com; s=zohoarc; b=UXDuMVH1C7+J+VMdr6QQAP8saXS8R1+yCzp9pk/sUgBoDT3RdVDVc6awmDD4WVqNk4lqeySbLEM6l+QPhtdYd4mce8SdEks0/bPlNz3Cq7+EYIBuMR2odMaiASgf3v83DNSi+XEY4mHdL+DyspY1zoUSEEVOZYAjKMBwQknLVg0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258910; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=d0E0BACLvXh2vpBt6imfUOZqEuzu1odD4oW+AaIJCus=; b=NLSS3qASLCvSqMXJWaU49+J9vu6e1Amu8eTycYZoqMk0ibtWgYvAr8pD5wEALilKqalxZq/4Xhhe0LSq09yDpEGrYz1YFyIBYN98bM0P8sqZv+bL5LeeytMjzCTjIFwH8rd/hiWARSjx5qunDb1qg4aFS07CKz9nWLFvRCg7FQk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 169025891092799.00147129232971; Mon, 24 Jul 2023 21:21:50 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569361.889860 (Exim 4.92) (envelope-from ) id 1qO9Y5-00041a-7L; Tue, 25 Jul 2023 04:21:25 +0000 Received: by outflank-mailman (output) from mailman id 569361.889860; Tue, 25 Jul 2023 04:21:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y5-00041H-3G; Tue, 25 Jul 2023 04:21:25 +0000 Received: by outflank-mailman (input) for mailman id 569361; Tue, 25 Jul 2023 04:21:24 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y3-00023t-Vp for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:23 +0000 Received: from mail-yb1-xb2d.google.com (mail-yb1-xb2d.google.com [2607:f8b0:4864:20::b2d]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b5b61e09-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:22 +0200 (CEST) Received: by mail-yb1-xb2d.google.com with SMTP id 3f1490d57ef6-cfcebc33d04so5669944276.2 for ; Mon, 24 Jul 2023 21:21:22 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:20 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b5b61e09-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258881; x=1690863681; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=d0E0BACLvXh2vpBt6imfUOZqEuzu1odD4oW+AaIJCus=; b=jYui+PKKLrYwW/9bkeBCxZuH30ZLFCfjk6k83i08YHGZs5qBvg098warmUkrhehPA7 w4YGyti6UCNUragO2itKU02HUpV/ViBpQF9TFUZFW/NNv47MTUMBLJ+3J2/znigqsRJs QhHBOUaU/0pdlJBDEn1DtnKR6Jjb52zcMeUqfdcetzMdFupe+5WkVJfD4fN5fJJOsgL0 e1lfCQXQItA0Ro7t73ofq2YB2adhnzcCWoT2HIbviNcoaPhOqdkOZB4a44aYijkjfd8z BHV0Z8ytCVZzLV7QMejslcSqJexW00RaRFmpSqinl2bowLcrU0F1887NS/OPVowYeO94 sAOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258881; x=1690863681; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=d0E0BACLvXh2vpBt6imfUOZqEuzu1odD4oW+AaIJCus=; b=Y770aFsgnF0a3ZXzn3SxenvjA0V5XLBXV35E5mFnuv+NIwzhNi4tcbg7bsa+9IptWR D8i5bDwNOZrNR0vg2Um4qjVzI+Wjb8dr32EH187esVVYhWU9PLDVvD0duE3c92tg4edf dhP0fGuXnSaWck3qS3tLG5NkSQGTcEKziwuHSOknOTZH8SRVM+pohMBKQFtcfIuyGHZf Fhi0ouEDVZR3sno3kQ3BDRp7xxaxN6URjHl4RJAg0ahhIbdobDRzPKoZ1wm8ybvrOdmR LX0vbOfIca0Iu6Pu5GOz2cwbqYnykv4lOd/k16Zd6wEOT5X6I2ISIkPJATJpnoISmogs FPcA== X-Gm-Message-State: ABy/qLY+H55c6tJezO7GmycNlul83V1t9DCIkGds4gD43A9DMU02wAvR gWUE/6HSmQlAV3x7msvepqI= X-Google-Smtp-Source: APBJJlGCGmZmbOTlDUcCFEi74mEzBDVKNi9w9+0D8ZZZqBiNJxZc6NQL85g34qQbwNZIlG7Tv+r/mA== X-Received: by 2002:a25:356:0:b0:d0b:ed07:7f56 with SMTP id 83-20020a250356000000b00d0bed077f56mr5325321ybd.18.1690258881187; Mon, 24 Jul 2023 21:21:21 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 07/31] mm: Convert pmd_ptlock_init() to use ptdescs Date: Mon, 24 Jul 2023 21:20:27 -0700 Message-Id: <20230725042051.36691-8-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258912273100003 Content-Type: text/plain; charset="utf-8" This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index c155f82dd2cc..52ef09c100a2 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2974,12 +2974,12 @@ static inline spinlock_t *pmd_lockptr(struct mm_str= uct *mm, pmd_t *pmd) return ptlock_ptr(pmd_ptdesc(pmd)); } =20 -static inline bool pmd_ptlock_init(struct page *page) +static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { #ifdef CONFIG_TRANSPARENT_HUGEPAGE - page->pmd_huge_pte =3D NULL; + ptdesc->pmd_huge_pte =3D NULL; #endif - return ptlock_init(page); + return ptlock_init(ptdesc_page(ptdesc)); } =20 static inline void pmd_ptlock_free(struct page *page) @@ -2999,7 +2999,7 @@ static inline spinlock_t *pmd_lockptr(struct mm_struc= t *mm, pmd_t *pmd) return &mm->page_table_lock; } =20 -static inline bool pmd_ptlock_init(struct page *page) { return true; } +static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { return true; } static inline void pmd_ptlock_free(struct page *page) {} =20 #define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte) @@ -3015,7 +3015,7 @@ static inline spinlock_t *pmd_lock(struct mm_struct *= mm, pmd_t *pmd) =20 static inline bool pgtable_pmd_page_ctor(struct page *page) { - if (!pmd_ptlock_init(page)) + if (!pmd_ptlock_init(page_ptdesc(page))) return false; __SetPageTable(page); inc_lruvec_page_state(page, NR_PAGETABLE); --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258916; cv=none; d=zohomail.com; s=zohoarc; b=EPbKaKCrKgTkWsZSbiByycqp2iw0wgJpTVPAiYaqEJ3EAGqxAFAffZZCM+uva2WBxkvOsgEWML9oMNM+VyW8WPvj/LCt0VsZaPW5+1xIv0MM+s7Rp6v0spm+QZ1N7o9K9oQpRr2Eseh0WSLxUYtD9NzpGiH95r0flaxlIBb7GRw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258916; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=iy/rMhqpUcv/05FOZn+4srvOxwPFLEA5us+pK4Rb6lw=; b=WdAmKeflDNod4G7Eotpsnpy3RmCa+R0xG23EE6A/AYQ5D/k2GnnGgiqGzUruSRLvMyaCduDlZaEah02NUPfCiZ0uqYY/QTek0fSENajRcLmiWHgSomfm+XYKEO0JDKchGtUT6CYv87Cakj52giXpkOxrVyPYVxqOOrASt8+mU2Y= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258916232525.4445900400325; Mon, 24 Jul 2023 21:21:56 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569362.889870 (Exim 4.92) (envelope-from ) id 1qO9Y7-0004Oc-Iv; Tue, 25 Jul 2023 04:21:27 +0000 Received: by outflank-mailman (output) from mailman id 569362.889870; Tue, 25 Jul 2023 04:21:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y7-0004OK-Cg; Tue, 25 Jul 2023 04:21:27 +0000 Received: by outflank-mailman (input) for mailman id 569362; Tue, 25 Jul 2023 04:21:26 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y5-00023t-VC for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:25 +0000 Received: from mail-yb1-xb2e.google.com (mail-yb1-xb2e.google.com [2607:f8b0:4864:20::b2e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b6dff9db-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:24 +0200 (CEST) Received: by mail-yb1-xb2e.google.com with SMTP id 3f1490d57ef6-d13e0bfbbcfso1761726276.0 for ; Mon, 24 Jul 2023 21:21:24 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:22 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b6dff9db-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258883; x=1690863683; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iy/rMhqpUcv/05FOZn+4srvOxwPFLEA5us+pK4Rb6lw=; b=DwndbpJ6ZJrYKMHpG4xKikBhk7x+krWdi68yaEUskEkiop40SD81D3SbVY3seOkRYX /kBw1kbEHeLJuAWxODh8wznz3CeaeUpUO4YYOfw0VBoc804gVI4mMhkv5lDO7g/hc/Ox TXEzhNof0Ms0qo0Det2yGSzvCCxAKXVShq3qZYqhwj2d67+5rTird7vmREAL8b8Si8Ac tOq0IFFx/OCdHFNMMX58/9jGd+Cn0j6BluiHfy+sp+cwHgX7LWNmOOEbAbHaR8hHlJNg plgZtGI8EoaWjuEjbu+IQ9bgYRh88XsoYPHoE7Qno7Yp+zMkk++OeXafcS4wt+s+lSyS wNUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258883; x=1690863683; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iy/rMhqpUcv/05FOZn+4srvOxwPFLEA5us+pK4Rb6lw=; b=VcjjnNtvpg/hEmDITWWhK9JLCwViqtq7bffcXAW2qy14fhAOh5r6LY3Tok5gujRdtn drlVrFgWYCqFCS2sKmF+KLiGB9GZ7c8D8lRiGzj6U0rug3GGOuC2k0QKLwkto8+otPf2 VneMYbsxRay+WOoYJDWZNxqMYOrKApGyTM4tiiuI/I4SeBsOrybgsPKecjfg/kkwZmb2 2Ea4xnfgCNaQ3CYWsSw8zBZX2lHHFK7gGvMDwRRLWSgmNhtGlOLWmIkr9oApaKVdk050 nxBPKj5InfXrZzhK7M58Uh0C+W+DDI1PNX5gSWuqWvmwAz5Jlr4uWWUm7mU6c4nOERX4 PEzg== X-Gm-Message-State: ABy/qLaySArIlRJH/qt6juo20D7tW4wriy+AM/JrOkUnFwnwIgJjVPNC BpvYlf1Qw3tPh9dgHxlzNH4= X-Google-Smtp-Source: APBJJlF+SF4cjauiYcGzSv/LhxAh6sYfbdxhzn585BID5O/OlI17XEMKbBKdqUp1OW6pVPf/RqCKZQ== X-Received: by 2002:a25:908e:0:b0:d07:b677:3349 with SMTP id t14-20020a25908e000000b00d07b6773349mr1259438ybl.25.1690258883131; Mon, 24 Jul 2023 21:21:23 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 08/31] mm: Convert ptlock_init() to use ptdescs Date: Mon, 24 Jul 2023 21:20:28 -0700 Message-Id: <20230725042051.36691-9-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258918259100013 Content-Type: text/plain; charset="utf-8" This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 52ef09c100a2..675972d3f7e4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2873,7 +2873,7 @@ static inline spinlock_t *pte_lockptr(struct mm_struc= t *mm, pmd_t *pmd) return ptlock_ptr(page_ptdesc(pmd_page(*pmd))); } =20 -static inline bool ptlock_init(struct page *page) +static inline bool ptlock_init(struct ptdesc *ptdesc) { /* * prep_new_page() initialize page->private (and therefore page->ptl) @@ -2882,10 +2882,10 @@ static inline bool ptlock_init(struct page *page) * It can happen if arch try to use slab for page table allocation: * slab code uses page->slab_cache, which share storage with page->ptl. */ - VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page); - if (!ptlock_alloc(page_ptdesc(page))) + VM_BUG_ON_PAGE(*(unsigned long *)&ptdesc->ptl, ptdesc_page(ptdesc)); + if (!ptlock_alloc(ptdesc)) return false; - spin_lock_init(ptlock_ptr(page_ptdesc(page))); + spin_lock_init(ptlock_ptr(ptdesc)); return true; } =20 @@ -2898,13 +2898,13 @@ static inline spinlock_t *pte_lockptr(struct mm_str= uct *mm, pmd_t *pmd) return &mm->page_table_lock; } static inline void ptlock_cache_init(void) {} -static inline bool ptlock_init(struct page *page) { return true; } +static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; } static inline void ptlock_free(struct page *page) {} #endif /* USE_SPLIT_PTE_PTLOCKS */ =20 static inline bool pgtable_pte_page_ctor(struct page *page) { - if (!ptlock_init(page)) + if (!ptlock_init(page_ptdesc(page))) return false; __SetPageTable(page); inc_lruvec_page_state(page, NR_PAGETABLE); @@ -2979,7 +2979,7 @@ static inline bool pmd_ptlock_init(struct ptdesc *ptd= esc) #ifdef CONFIG_TRANSPARENT_HUGEPAGE ptdesc->pmd_huge_pte =3D NULL; #endif - return ptlock_init(ptdesc_page(ptdesc)); + return ptlock_init(ptdesc); } =20 static inline void pmd_ptlock_free(struct page *page) --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258910; cv=none; d=zohomail.com; s=zohoarc; b=XDgVVOEw65LQb5hHT9mY+GkT5r1BeEqJc3fpY7yAU/WrG68vNEMBlYNMuvi0vp6mVafptkOmqpt0LbqNEZHxx1rT+k4iJQQuwqRWGaCg7JY31DHPBxBuJDPnlqFRCTdDqgYiYG49MRMnBlG1Fe9kty4L1fXy7qMZxpUx/N/3eBI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258910; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=iZ7ozcISUSGoixC5UzzNE5tJz0+L18C1Imj6XmV/DYM=; b=fEU0j1V3yq+cv/6lVMUQJRecSi9kSt2R+Q7e7XZBopFXK2hMGMwUY0d2hGZjDq7joNRJQfg23HwSjocy+Onu+pE2+ijLjYLQhkbhbbBiNceadQAz8RRkgmakdzFUkTOtLDqiIdwcLOb2it54V1a+1/sL40ZGss18ZKeQShJmES8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258910433325.39445497687564; Mon, 24 Jul 2023 21:21:50 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569363.889880 (Exim 4.92) (envelope-from ) id 1qO9Y8-0004iJ-TD; Tue, 25 Jul 2023 04:21:28 +0000 Received: by outflank-mailman (output) from mailman id 569363.889880; Tue, 25 Jul 2023 04:21:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y8-0004hF-NB; Tue, 25 Jul 2023 04:21:28 +0000 Received: by outflank-mailman (input) for mailman id 569363; Tue, 25 Jul 2023 04:21:26 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y6-0002Iw-TM for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:26 +0000 Received: from mail-yb1-xb32.google.com (mail-yb1-xb32.google.com [2607:f8b0:4864:20::b32]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id b82d6b9f-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:26 +0200 (CEST) Received: by mail-yb1-xb32.google.com with SMTP id 3f1490d57ef6-cb19b1b9a36so5683242276.0 for ; Mon, 24 Jul 2023 21:21:26 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:24 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b82d6b9f-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258885; x=1690863685; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iZ7ozcISUSGoixC5UzzNE5tJz0+L18C1Imj6XmV/DYM=; b=gPlpDfbgQUaDh17nMUuxk8LJn1nYdgEAVfSMEcDpmwNJCwXKDaomTlh0BY+xZkFMKd tFRmLrBoE1Vp0IzzPSrF8bgPZVxB+9aP3VrUcSHjKLr+y7jNlD4PpyjtmGaGnI3Rciw5 xPEUpzqKKaVrLEfBMw5DD9c3Ng9G9PKL+n4eQ6Zcvb2wmVEKnYUeBmB54WntK+cvg6UK QgMdLEB/drGqPOPjrgcd99xnUW0qMuGMWDmaVMRTFx92PXfEsSeKT6B4JdtVKY4BOuL7 QKWH8kGjoeg6j0VlgnYB4AI/+z50XhZH+jdg01QIwrxx7GkpXjxyDTkcgrBZeXNJtHxg DmIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258885; x=1690863685; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iZ7ozcISUSGoixC5UzzNE5tJz0+L18C1Imj6XmV/DYM=; b=GCqSPct5XVEGWB5I2TqVH7RJxgRu3JQdI8oz+PyvT5WQwUzPMAhvTl3qLt02DstLW5 trOOf8deAdnfrYoXNnpbvfRGJSUDGfmbzOpKSRM9FFS24rMk0XptoqyYAoEINDNPQ0lc qY1N+Xa27B61fzqxakmP68BVtFE64kqV//nWROD4NA7ulj0VbI2JlXpIfz4pBMY4xyGL L7f0ZECUO0eqOemuX2R2tc885zj2TWiwfyB3A17taZ3/k6yzH6xuhv5mel+RvvqBFKds PuwYEcA3GhTRo0Z1d0DaaKwJGFGkbsFZRk8q04nUP41HPsy9Tck7iBxRGIK1GVPN/eft TMCw== X-Gm-Message-State: ABy/qLZHJAfliaG7tPcvPqBgdS3081ZlYlqDzAKZ8sLJQc5pCvYHzlXM 9w6MXmrUIy9nOpuDIUDIIfM= X-Google-Smtp-Source: APBJJlEU2X68Ojav0w5cqMxtXa5ryZpYlhi5g+xNY8vonB7Weqi80FZO/gUhwzOoBC/kjqTB4Zo1Gw== X-Received: by 2002:a25:f827:0:b0:d0e:794f:64ef with SMTP id u39-20020a25f827000000b00d0e794f64efmr4552557ybd.0.1690258885213; Mon, 24 Jul 2023 21:21:25 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 09/31] mm: Convert pmd_ptlock_free() to use ptdescs Date: Mon, 24 Jul 2023 21:20:29 -0700 Message-Id: <20230725042051.36691-10-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258912330100005 Content-Type: text/plain; charset="utf-8" This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 675972d3f7e4..774fe83c0c16 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2982,12 +2982,12 @@ static inline bool pmd_ptlock_init(struct ptdesc *p= tdesc) return ptlock_init(ptdesc); } =20 -static inline void pmd_ptlock_free(struct page *page) +static inline void pmd_ptlock_free(struct ptdesc *ptdesc) { #ifdef CONFIG_TRANSPARENT_HUGEPAGE - VM_BUG_ON_PAGE(page->pmd_huge_pte, page); + VM_BUG_ON_PAGE(ptdesc->pmd_huge_pte, ptdesc_page(ptdesc)); #endif - ptlock_free(page); + ptlock_free(ptdesc_page(ptdesc)); } =20 #define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) @@ -3000,7 +3000,7 @@ static inline spinlock_t *pmd_lockptr(struct mm_struc= t *mm, pmd_t *pmd) } =20 static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { return true; } -static inline void pmd_ptlock_free(struct page *page) {} +static inline void pmd_ptlock_free(struct ptdesc *ptdesc) {} =20 #define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte) =20 @@ -3024,7 +3024,7 @@ static inline bool pgtable_pmd_page_ctor(struct page = *page) =20 static inline void pgtable_pmd_page_dtor(struct page *page) { - pmd_ptlock_free(page); + pmd_ptlock_free(page_ptdesc(page)); __ClearPageTable(page); dec_lruvec_page_state(page, NR_PAGETABLE); } --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258917; cv=none; d=zohomail.com; s=zohoarc; b=EDbFYcvIZcWF24kQdYq/oEjGK+HZG63ndkpJz3sEGEJYj9wlIO/82h0SMjLy0UukM8SNUTexfDhbG0DyFQVQiR0dkdX8OrPb85HhResK8IWLsIR59dBmTXMVyWmu22ABE93pOoyo5WZOk8jEa+3PzWXFgPz4k0s4+nlzvSGdxvE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258917; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=7EZnRhm4Fj3KaK4sFjI+P1mIVDNOtVXSgVauozi7/LE=; b=XHo//Dt5eAuEHJOHsS58LhKFZtMG91yDw61g7VQNg0/lKPIRnu1u0T8RrWL8vok9uufOiDbH+fS2IDHQUbwWtc5yhiKIAj0gPUpbTzSj42xm8a9kSpdL2NbKhUWq0G6X5lmnUqfLINBnzH68P59QAF6fgrZ20FYm8MiMFN5CLH8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258917942726.8784691868867; Mon, 24 Jul 2023 21:21:57 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569364.889890 (Exim 4.92) (envelope-from ) id 1qO9YB-0005Jw-IO; Tue, 25 Jul 2023 04:21:31 +0000 Received: by outflank-mailman (output) from mailman id 569364.889890; Tue, 25 Jul 2023 04:21:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YB-0005Jk-E2; Tue, 25 Jul 2023 04:21:31 +0000 Received: by outflank-mailman (input) for mailman id 569364; Tue, 25 Jul 2023 04:21:30 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Y9-00023t-W2 for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:29 +0000 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [2607:f8b0:4864:20::b35]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b955feb1-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:28 +0200 (CEST) Received: by mail-yb1-xb35.google.com with SMTP id 3f1490d57ef6-cc4f4351ac7so5617254276.2 for ; Mon, 24 Jul 2023 21:21:28 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:27 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b955feb1-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258887; x=1690863687; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=7EZnRhm4Fj3KaK4sFjI+P1mIVDNOtVXSgVauozi7/LE=; b=RYLJ+HHhZ3SW3XdvMN1AzT9gPBErVqrhuCtcU9fNt2oY7ALxgSJoFkBn6Vm9nhRIfL WiTjjdSQLpNPnjH/5n9WBm6wJTnH8dJRd1NltGEZ286BUnLn7Q2MMvQIs7uIZqTwGdGS eL9nBqdaNLlYe8KWVzFFhBRvhsKclpu6/YA+4Q97+gqJ/tvmMP0hkmlN965zL32r5aWq lGDtyvV+tLl+Z/pogbSTjxnJu1qRtO3WfiwXTUnVp3YPllt2BfK2Izz7z0ivGxPYpzFU UjwvvFWDj18TjEMiWj89EXU3QbdGQMvzZCK7ByPk/vtnFluG2/Q0k/42+A+1E3bms/jl vfTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258887; x=1690863687; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7EZnRhm4Fj3KaK4sFjI+P1mIVDNOtVXSgVauozi7/LE=; b=b6du23XjbnspNFip+ycNRsiSo6st30l/PvENx7g1V2NXXvuBX3RJIPtn6gcHraizSs mrMJrH06Fm93GV3fckSiXrZm1cUYO+zGdwh3pEeTFkP5ulb83mBI29HOGpLFkbI/PiJ5 epf7c1xtQaQE45loDqV8rJdiNKsEhEI76iEq5UfEClbQyl4dWD/iAhM7lIqZYa/j/nvG Dev6WwQNUhh4z1UPhZ1lQr/78yFDOKIDdFkYHbj5VyPEbYW+yDNJs/lKQfujaItvTVwO RUDpIL7S79YB62yHX2gpHtAfMUAsZiR2zUwjtnCiFTsKGI5EQMqnyX/xb2YMXffefNF6 2qMg== X-Gm-Message-State: ABy/qLaXe+1/+vp5798HugRvqohqQHV3GjNlIQWbzcyx+sW+ip3Ht1DW WoL1zF8PjqFbQRwo5S7JcaM= X-Google-Smtp-Source: APBJJlEDrySQ7FY0Or7EcCMVmcmwbMMbiMSaZShCmPSyL8HtQQZFeTHHFjIo1cF+xzs4edAkc8Gy+Q== X-Received: by 2002:a5b:782:0:b0:c91:cc0e:1aef with SMTP id b2-20020a5b0782000000b00c91cc0e1aefmr9011877ybq.58.1690258887257; Mon, 24 Jul 2023 21:21:27 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 10/31] mm: Convert ptlock_free() to use ptdescs Date: Mon, 24 Jul 2023 21:20:30 -0700 Message-Id: <20230725042051.36691-11-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258919481100016 Content-Type: text/plain; charset="utf-8" This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 10 +++++----- mm/memory.c | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 774fe83c0c16..ffddae95af78 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2842,7 +2842,7 @@ static inline void pagetable_free(struct ptdesc *pt) #if ALLOC_SPLIT_PTLOCKS void __init ptlock_cache_init(void); bool ptlock_alloc(struct ptdesc *ptdesc); -extern void ptlock_free(struct page *page); +void ptlock_free(struct ptdesc *ptdesc); =20 static inline spinlock_t *ptlock_ptr(struct ptdesc *ptdesc) { @@ -2858,7 +2858,7 @@ static inline bool ptlock_alloc(struct ptdesc *ptdesc) return true; } =20 -static inline void ptlock_free(struct page *page) +static inline void ptlock_free(struct ptdesc *ptdesc) { } =20 @@ -2899,7 +2899,7 @@ static inline spinlock_t *pte_lockptr(struct mm_struc= t *mm, pmd_t *pmd) } static inline void ptlock_cache_init(void) {} static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; } -static inline void ptlock_free(struct page *page) {} +static inline void ptlock_free(struct ptdesc *ptdesc) {} #endif /* USE_SPLIT_PTE_PTLOCKS */ =20 static inline bool pgtable_pte_page_ctor(struct page *page) @@ -2913,7 +2913,7 @@ static inline bool pgtable_pte_page_ctor(struct page = *page) =20 static inline void pgtable_pte_page_dtor(struct page *page) { - ptlock_free(page); + ptlock_free(page_ptdesc(page)); __ClearPageTable(page); dec_lruvec_page_state(page, NR_PAGETABLE); } @@ -2987,7 +2987,7 @@ static inline void pmd_ptlock_free(struct ptdesc *ptd= esc) #ifdef CONFIG_TRANSPARENT_HUGEPAGE VM_BUG_ON_PAGE(ptdesc->pmd_huge_pte, ptdesc_page(ptdesc)); #endif - ptlock_free(ptdesc_page(ptdesc)); + ptlock_free(ptdesc); } =20 #define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) diff --git a/mm/memory.c b/mm/memory.c index 4fee273595e2..e5e370cdac23 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -6242,8 +6242,8 @@ bool ptlock_alloc(struct ptdesc *ptdesc) return true; } =20 -void ptlock_free(struct page *page) +void ptlock_free(struct ptdesc *ptdesc) { - kmem_cache_free(page_ptl_cachep, page->ptl); + kmem_cache_free(page_ptl_cachep, ptdesc->ptl); } #endif --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258917; cv=none; d=zohomail.com; s=zohoarc; b=lPDAFHvGaaACknAmwHZRHI77eDeir3IQBQrhehZkKVRuv7nBtckaEQOlrBbON/zgPZtIsLYzwddnBKD+IFibO3/fomjMHx0znpUfm/mg3bdwzx7C36poOLXLIpGvNX+svKfyt09B4scHiuQeKcuuOEBQ2xMZWNSqjdnjD2rZ2tM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258917; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=GM8s3dDlKIn9bcZ3Rv1fAyQJ11tvy15JiujAITQGQIU=; b=HkmTWZobdXHDZ6gvYm5e2fC7Av+zI97A8eDmRDoxcxKdGc7MRyF2RTmlDq+2wOrpdUOcGh0L68g4aAS0vKnUJCjnOJgKxIbH6NjgfUIMHqOY0lH7FPbNHIeYnirzPd8ZlhaZHNgC1XVpSt8vcUXmUx5XNFpEjN6hk+ixBR3fsFU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258917407128.72089384918206; Mon, 24 Jul 2023 21:21:57 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569365.889900 (Exim 4.92) (envelope-from ) id 1qO9YD-0005fE-5B; Tue, 25 Jul 2023 04:21:33 +0000 Received: by outflank-mailman (output) from mailman id 569365.889900; Tue, 25 Jul 2023 04:21:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YC-0005dt-RZ; Tue, 25 Jul 2023 04:21:32 +0000 Received: by outflank-mailman (input) for mailman id 569365; Tue, 25 Jul 2023 04:21:31 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YB-0002Iw-7k for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:31 +0000 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [2607:f8b0:4864:20::b33]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id ba9ea1e2-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:30 +0200 (CEST) Received: by mail-yb1-xb33.google.com with SMTP id 3f1490d57ef6-d18566dc0c1so252021276.0 for ; Mon, 24 Jul 2023 21:21:30 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:29 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ba9ea1e2-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258889; x=1690863689; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=GM8s3dDlKIn9bcZ3Rv1fAyQJ11tvy15JiujAITQGQIU=; b=pRtFn4s2PbyDqF0TT2ROPqoi8Nf6cO+mjT/PpAibpqoGu7RVl319pUbQzpwGcemW6v ycybLo0TEnNIsKIUBDodgJqfY6SleEYizvK1Vc9btvfMS46S3rfljXuaAJYnljAU7sG7 7jK+G5eyuE1KaJYyjxnJ03BoenaidsCYPCkwIEGR1Hhy/zJz4Ys+XX9GMOuKC1FJDNY4 VtftN6v4wiLKMbMCHR3bjB9E/ZrVvmPIO3VQbX7+L4Iqn5VeUa8q9xhONTfTBRh7Kux2 Tj/BOzEarK1RhsZfJqN5Pnf19w+jQvRB3VZLmWb0D0GCMPtXp8othTQIXw79eSgdX3zV QV6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258889; x=1690863689; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=GM8s3dDlKIn9bcZ3Rv1fAyQJ11tvy15JiujAITQGQIU=; b=L0NRK7EGwDWjIMPdCeqTXvQ6a2BzhT9RsX4X03CxI71KzIJUBvRySwEVDFqKZLFPqD QI057xKbUaHLHBGTHIlKncaCfk3J3qHw8MB7IOSl2acuSduR0qDLoM94b/v75XRq7t0x kVlVmCpugABbc9jpsjr1tYcQhNo9pyS0axvER4Q68jqspJoDSNey5I/Ob0yF6S2m5xKN jyN+6CJU2cL8mnVNfVleKLSVSWGicRQe0yQuNlvS9IeJnLegMfpLpUJ3ovDDsP2Y97RE flWh/ApPq4pZnmk6pu3AHEEZ5hIImbvkQauVSwCY5VrUkhjgUdbZ3IDkzluUjMZQ8Fl+ FGyg== X-Gm-Message-State: ABy/qLZWAvH10iTrVZBW46U1VFuN4hE9CNAsSa//zORcEJ8zqlW+xZDB Ha/Khvmac804wwqs9F1a/v8= X-Google-Smtp-Source: APBJJlG8/pyNsL5c65VV2FWW2n+kp6iwz/O9EJhcRKijOyOwqeNWpfh6eCenLgaMZnYc3nueG5tQ5Q== X-Received: by 2002:a25:e7d8:0:b0:d0e:b5c8:6359 with SMTP id e207-20020a25e7d8000000b00d0eb5c86359mr4890639ybh.55.1690258889345; Mon, 24 Jul 2023 21:21:29 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 11/31] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor} Date: Mon, 24 Jul 2023 21:20:31 -0700 Message-Id: <20230725042051.36691-12-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258919475100015 Content-Type: text/plain; charset="utf-8" Create pagetable_pte_ctor(), pagetable_pmd_ctor(), pagetable_pte_dtor(), and pagetable_pmd_dtor() and make the original pgtable constructor/destructors wrappers. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 56 ++++++++++++++++++++++++++++++++++------------ 1 file changed, 42 insertions(+), 14 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index ffddae95af78..bd3d99d81984 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2902,20 +2902,34 @@ static inline bool ptlock_init(struct ptdesc *ptdes= c) { return true; } static inline void ptlock_free(struct ptdesc *ptdesc) {} #endif /* USE_SPLIT_PTE_PTLOCKS */ =20 -static inline bool pgtable_pte_page_ctor(struct page *page) +static inline bool pagetable_pte_ctor(struct ptdesc *ptdesc) { - if (!ptlock_init(page_ptdesc(page))) + struct folio *folio =3D ptdesc_folio(ptdesc); + + if (!ptlock_init(ptdesc)) return false; - __SetPageTable(page); - inc_lruvec_page_state(page, NR_PAGETABLE); + __folio_set_pgtable(folio); + lruvec_stat_add_folio(folio, NR_PAGETABLE); return true; } =20 +static inline bool pgtable_pte_page_ctor(struct page *page) +{ + return pagetable_pte_ctor(page_ptdesc(page)); +} + +static inline void pagetable_pte_dtor(struct ptdesc *ptdesc) +{ + struct folio *folio =3D ptdesc_folio(ptdesc); + + ptlock_free(ptdesc); + __folio_clear_pgtable(folio); + lruvec_stat_sub_folio(folio, NR_PAGETABLE); +} + static inline void pgtable_pte_page_dtor(struct page *page) { - ptlock_free(page_ptdesc(page)); - __ClearPageTable(page); - dec_lruvec_page_state(page, NR_PAGETABLE); + pagetable_pte_dtor(page_ptdesc(page)); } =20 pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp); @@ -3013,20 +3027,34 @@ static inline spinlock_t *pmd_lock(struct mm_struct= *mm, pmd_t *pmd) return ptl; } =20 -static inline bool pgtable_pmd_page_ctor(struct page *page) +static inline bool pagetable_pmd_ctor(struct ptdesc *ptdesc) { - if (!pmd_ptlock_init(page_ptdesc(page))) + struct folio *folio =3D ptdesc_folio(ptdesc); + + if (!pmd_ptlock_init(ptdesc)) return false; - __SetPageTable(page); - inc_lruvec_page_state(page, NR_PAGETABLE); + __folio_set_pgtable(folio); + lruvec_stat_add_folio(folio, NR_PAGETABLE); return true; } =20 +static inline bool pgtable_pmd_page_ctor(struct page *page) +{ + return pagetable_pmd_ctor(page_ptdesc(page)); +} + +static inline void pagetable_pmd_dtor(struct ptdesc *ptdesc) +{ + struct folio *folio =3D ptdesc_folio(ptdesc); + + pmd_ptlock_free(ptdesc); + __folio_clear_pgtable(folio); + lruvec_stat_sub_folio(folio, NR_PAGETABLE); +} + static inline void pgtable_pmd_page_dtor(struct page *page) { - pmd_ptlock_free(page_ptdesc(page)); - __ClearPageTable(page); - dec_lruvec_page_state(page, NR_PAGETABLE); + pagetable_pmd_dtor(page_ptdesc(page)); } =20 /* --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259267; cv=none; d=zohomail.com; s=zohoarc; b=Dt652zDN/X64JDuQGBlUM1LlVXVWRxwGtM6HOcSjvjvOW84ToIVyQUTjFddTzcTMsZXKYUedqzZwxYtCTBjSpJMWQbvUCizF+5Hh5Vo4rQ6AuEiwHn+flswrIv/tHb/ELY+mrNPifkTMzRoAwzUdRkNsUkJMfOSkgrGSWsU7jlQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259267; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=u45KHTw4Lm2isFbqg98Xq6aGMxdNGIm/kUbyd7vxsNs=; b=KA+8auBkfu5ik23dHBWpR2Y5yi1OQPjd73ekB0dtODSeHWhGY/fPjTpL7KSw4hSNFlMyN8Vj/l9zCYfgwHCz3qWpkvnvw+ajHam/zezr5sUMUFdWaBhANjtjiQN1RGnKrK7261sR5gbBRZzFrxCMxkEWcVjT+l8jp8tfIWpIcyU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259267237113.7305022773661; Mon, 24 Jul 2023 21:27:47 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569391.890007 (Exim 4.92) (envelope-from ) id 1qO9ds-0004BF-LN; Tue, 25 Jul 2023 04:27:24 +0000 Received: by outflank-mailman (output) from mailman id 569391.890007; Tue, 25 Jul 2023 04:27:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9ds-00047h-BI; Tue, 25 Jul 2023 04:27:24 +0000 Received: by outflank-mailman (input) for mailman id 569391; Tue, 25 Jul 2023 04:27:22 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YE-00023t-Mb for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:34 +0000 Received: from mail-yb1-xb29.google.com (mail-yb1-xb29.google.com [2607:f8b0:4864:20::b29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id bc087547-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:32 +0200 (CEST) Received: by mail-yb1-xb29.google.com with SMTP id 3f1490d57ef6-cc4f4351ac7so5617288276.2 for ; Mon, 24 Jul 2023 21:21:32 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:31 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: bc087547-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258892; x=1690863692; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=u45KHTw4Lm2isFbqg98Xq6aGMxdNGIm/kUbyd7vxsNs=; b=MFgPFIETcyQZFOhpw8+4f5zUQ0n+xg0tLu3Cdkb+1dejjtG9+Sn41JCWtxba3EUBon STSpvH1MNNsW6So+a/tghvNI+G/Lbgp5MhbOWzErRXRSurAquyDZtOdk2dZXP+K84d5y 2lj+wM84jK4/KJI/eNnwRBO0/O9yXdLYbiUEV5UJ1n3RcSGR2Pu1ZBK+tTmCkEf8+hqQ 1ItBCZtJ+JMmJlssaP+CTZzrVD9IabvE2unI85k4nMXIrER2uiyvsKz70ElKaAXIai8Y fMscO6ZRlYBmd8LI9oEQGQcnOb2XkEpfo9N2EgAc0FnMq++qauCUPViA0CXIrh8vRr/Z vicQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258892; x=1690863692; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=u45KHTw4Lm2isFbqg98Xq6aGMxdNGIm/kUbyd7vxsNs=; b=jmwGF8+3Uf58uUBzURi8GHVv1+R/j43zMN7+NPQ0MpnsFZilNZztYKBkphPGyUaLQ2 rN6hkk1sJfplXWeB827amjHbLoCxpeu8AfmdgorX0tAkpU7TRvv8HVdiC8QvXUsnEBZ/ krNWx6axYi58tB5YXQXXj5z9zci2G1zhu+YVDnVEPynDGqSuQUo1zVd1GZipfFrGLA0u 5WKg8AzKyVjothkzvC8qIE/hZ3vVQ+Wyc5Cqo6CrItL1rnRCdtJ7cJcIAwkui/bRkdCS 3fL7W53PI6irrD1VhjGYNjpKJNVBRY+Yl2KZFhFUEk0Q2rYo3xlPV0imBgt/S2+sSnAq s/yw== X-Gm-Message-State: ABy/qLbu89wa+AwDSxnfvcWxXbnF8RxboI4YFPF4Z3ievTG0jV1q6a0F MLHiW1Fc27KWrLoJu5rVr5g= X-Google-Smtp-Source: APBJJlGXFehjpASX0xXxIrGyQXSgIbPf3Ytm7rdvcIS221Bu6qToSpB5aWuJ/dgS8MuNc8IFsSfnXw== X-Received: by 2002:a25:7082:0:b0:d10:a134:adde with SMTP id l124-20020a257082000000b00d10a134addemr4056715ybc.53.1690258891680; Mon, 24 Jul 2023 21:21:31 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Christophe Leroy , Mike Rapoport Subject: [PATCH mm-unstable v7 12/31] powerpc: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:32 -0700 Message-Id: <20230725042051.36691-13-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259268413100011 Content-Type: text/plain; charset="utf-8" In order to split struct ptdesc from struct page, convert various functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/powerpc/mm/book3s64/mmu_context.c | 10 ++--- arch/powerpc/mm/book3s64/pgtable.c | 32 +++++++-------- arch/powerpc/mm/pgtable-frag.c | 56 +++++++++++++------------- 3 files changed, 49 insertions(+), 49 deletions(-) diff --git a/arch/powerpc/mm/book3s64/mmu_context.c b/arch/powerpc/mm/book3= s64/mmu_context.c index c766e4c26e42..1715b07c630c 100644 --- a/arch/powerpc/mm/book3s64/mmu_context.c +++ b/arch/powerpc/mm/book3s64/mmu_context.c @@ -246,15 +246,15 @@ static void destroy_contexts(mm_context_t *ctx) static void pmd_frag_destroy(void *pmd_frag) { int count; - struct page *page; + struct ptdesc *ptdesc; =20 - page =3D virt_to_page(pmd_frag); + ptdesc =3D virt_to_ptdesc(pmd_frag); /* drop all the pending references */ count =3D ((unsigned long)pmd_frag & ~PAGE_MASK) >> PMD_FRAG_SIZE_SHIFT; /* We allow PTE_FRAG_NR fragments from a PTE page */ - if (atomic_sub_and_test(PMD_FRAG_NR - count, &page->pt_frag_refcount)) { - pgtable_pmd_page_dtor(page); - __free_page(page); + if (atomic_sub_and_test(PMD_FRAG_NR - count, &ptdesc->pt_frag_refcount)) { + pagetable_pmd_dtor(ptdesc); + pagetable_free(ptdesc); } } =20 diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/= pgtable.c index 85c84e89e3ea..1212deeabe15 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -306,22 +306,22 @@ static pmd_t *get_pmd_from_cache(struct mm_struct *mm) static pmd_t *__alloc_for_pmdcache(struct mm_struct *mm) { void *ret =3D NULL; - struct page *page; + struct ptdesc *ptdesc; gfp_t gfp =3D GFP_KERNEL_ACCOUNT | __GFP_ZERO; =20 if (mm =3D=3D &init_mm) gfp &=3D ~__GFP_ACCOUNT; - page =3D alloc_page(gfp); - if (!page) + ptdesc =3D pagetable_alloc(gfp, 0); + if (!ptdesc) return NULL; - if (!pgtable_pmd_page_ctor(page)) { - __free_pages(page, 0); + if (!pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } =20 - atomic_set(&page->pt_frag_refcount, 1); + atomic_set(&ptdesc->pt_frag_refcount, 1); =20 - ret =3D page_address(page); + ret =3D ptdesc_address(ptdesc); /* * if we support only one fragment just return the * allocated page. @@ -331,12 +331,12 @@ static pmd_t *__alloc_for_pmdcache(struct mm_struct *= mm) =20 spin_lock(&mm->page_table_lock); /* - * If we find pgtable_page set, we return + * If we find ptdesc_page set, we return * the allocated page with single fragment * count. */ if (likely(!mm->context.pmd_frag)) { - atomic_set(&page->pt_frag_refcount, PMD_FRAG_NR); + atomic_set(&ptdesc->pt_frag_refcount, PMD_FRAG_NR); mm->context.pmd_frag =3D ret + PMD_FRAG_SIZE; } spin_unlock(&mm->page_table_lock); @@ -357,15 +357,15 @@ pmd_t *pmd_fragment_alloc(struct mm_struct *mm, unsig= ned long vmaddr) =20 void pmd_fragment_free(unsigned long *pmd) { - struct page *page =3D virt_to_page(pmd); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pmd); =20 - if (PageReserved(page)) - return free_reserved_page(page); + if (pagetable_is_reserved(ptdesc)) + return free_reserved_ptdesc(ptdesc); =20 - BUG_ON(atomic_read(&page->pt_frag_refcount) <=3D 0); - if (atomic_dec_and_test(&page->pt_frag_refcount)) { - pgtable_pmd_page_dtor(page); - __free_page(page); + BUG_ON(atomic_read(&ptdesc->pt_frag_refcount) <=3D 0); + if (atomic_dec_and_test(&ptdesc->pt_frag_refcount)) { + pagetable_pmd_dtor(ptdesc); + pagetable_free(ptdesc); } } =20 diff --git a/arch/powerpc/mm/pgtable-frag.c b/arch/powerpc/mm/pgtable-frag.c index 0c6b68130025..4c899c9c0694 100644 --- a/arch/powerpc/mm/pgtable-frag.c +++ b/arch/powerpc/mm/pgtable-frag.c @@ -18,15 +18,15 @@ void pte_frag_destroy(void *pte_frag) { int count; - struct page *page; + struct ptdesc *ptdesc; =20 - page =3D virt_to_page(pte_frag); + ptdesc =3D virt_to_ptdesc(pte_frag); /* drop all the pending references */ count =3D ((unsigned long)pte_frag & ~PAGE_MASK) >> PTE_FRAG_SIZE_SHIFT; /* We allow PTE_FRAG_NR fragments from a PTE page */ - if (atomic_sub_and_test(PTE_FRAG_NR - count, &page->pt_frag_refcount)) { - pgtable_pte_page_dtor(page); - __free_page(page); + if (atomic_sub_and_test(PTE_FRAG_NR - count, &ptdesc->pt_frag_refcount)) { + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } } =20 @@ -55,25 +55,25 @@ static pte_t *get_pte_from_cache(struct mm_struct *mm) static pte_t *__alloc_for_ptecache(struct mm_struct *mm, int kernel) { void *ret =3D NULL; - struct page *page; + struct ptdesc *ptdesc; =20 if (!kernel) { - page =3D alloc_page(PGALLOC_GFP | __GFP_ACCOUNT); - if (!page) + ptdesc =3D pagetable_alloc(PGALLOC_GFP | __GFP_ACCOUNT, 0); + if (!ptdesc) return NULL; - if (!pgtable_pte_page_ctor(page)) { - __free_page(page); + if (!pagetable_pte_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } } else { - page =3D alloc_page(PGALLOC_GFP); - if (!page) + ptdesc =3D pagetable_alloc(PGALLOC_GFP, 0); + if (!ptdesc) return NULL; } =20 - atomic_set(&page->pt_frag_refcount, 1); + atomic_set(&ptdesc->pt_frag_refcount, 1); =20 - ret =3D page_address(page); + ret =3D ptdesc_address(ptdesc); /* * if we support only one fragment just return the * allocated page. @@ -82,12 +82,12 @@ static pte_t *__alloc_for_ptecache(struct mm_struct *mm= , int kernel) return ret; spin_lock(&mm->page_table_lock); /* - * If we find pgtable_page set, we return + * If we find ptdesc_page set, we return * the allocated page with single fragment * count. */ if (likely(!pte_frag_get(&mm->context))) { - atomic_set(&page->pt_frag_refcount, PTE_FRAG_NR); + atomic_set(&ptdesc->pt_frag_refcount, PTE_FRAG_NR); pte_frag_set(&mm->context, ret + PTE_FRAG_SIZE); } spin_unlock(&mm->page_table_lock); @@ -108,28 +108,28 @@ pte_t *pte_fragment_alloc(struct mm_struct *mm, int k= ernel) =20 static void pte_free_now(struct rcu_head *head) { - struct page *page; + struct ptdesc *ptdesc; =20 - page =3D container_of(head, struct page, rcu_head); - pgtable_pte_page_dtor(page); - __free_page(page); + ptdesc =3D container_of(head, struct ptdesc, pt_rcu_head); + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } =20 void pte_fragment_free(unsigned long *table, int kernel) { - struct page *page =3D virt_to_page(table); + struct ptdesc *ptdesc =3D virt_to_ptdesc(table); =20 - if (PageReserved(page)) - return free_reserved_page(page); + if (pagetable_is_reserved(ptdesc)) + return free_reserved_ptdesc(ptdesc); =20 BUG_ON(atomic_read(&page->pt_frag_refcount) <=3D 0); - if (atomic_dec_and_test(&page->pt_frag_refcount)) { + if (atomic_dec_and_test(&ptdesc->pt_frag_refcount)) { if (kernel) - __free_page(page); - else if (TestClearPageActive(page)) - call_rcu(&page->rcu_head, pte_free_now); + pagetable_free(ptdesc); + else if (folio_test_clear_active(ptdesc_folio(ptdesc))) + call_rcu(&ptdesc->pt_rcu_head, pte_free_now); else - pte_free_now(&page->rcu_head); + pte_free_now(&ptdesc->pt_rcu_head); } } =20 --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258921; cv=none; d=zohomail.com; s=zohoarc; b=gDLnLGqYu/KuYplQjkJ4XIA/dj7sDYl5KRXR+mb1H5im8Noi9Ey+iR2sbcciFqaWHNYzyrYQ3kR+dlvJtFkPXRdsyO03YCDRBN/lAkVadEUJ2Dvwy05jSFoub5SJb5wDPoV2auRTUBI/bUfHmu0WB5/AGiWJ1sKB2Ex7uY4YON4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258921; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=sltDOqqNfHEtvz8jLXUjW/r74sJCuRKUMVTEbSHBWCo=; b=mPrJ8GEqjVs3RAyGHHTj7PL0Zar3T6N3CoETbGIlnVggiRikz68ek+qLTnX5XGfTXQ0N3PalZpT3ZAbVh5/bx93oDdDxArNsYLBNrdUTq0h25EpIWoWlImqAtFuelqVIvwMx1xcXZCr1N3U3IeLaQCN6hFnLBnXnF3rnafgpY90= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258921969456.40759395565954; Mon, 24 Jul 2023 21:22:01 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569370.889909 (Exim 4.92) (envelope-from ) id 1qO9YH-0006PK-Dg; Tue, 25 Jul 2023 04:21:37 +0000 Received: by outflank-mailman (output) from mailman id 569370.889909; Tue, 25 Jul 2023 04:21:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YH-0006Ou-8k; Tue, 25 Jul 2023 04:21:37 +0000 Received: by outflank-mailman (input) for mailman id 569370; Tue, 25 Jul 2023 04:21:35 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YF-0002Iw-GM for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:35 +0000 Received: from mail-yb1-xb30.google.com (mail-yb1-xb30.google.com [2607:f8b0:4864:20::b30]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id bd3b8720-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:34 +0200 (CEST) Received: by mail-yb1-xb30.google.com with SMTP id 3f1490d57ef6-c11e2b31b95so5469679276.3 for ; Mon, 24 Jul 2023 21:21:34 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:33 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: bd3b8720-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258894; x=1690863694; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=sltDOqqNfHEtvz8jLXUjW/r74sJCuRKUMVTEbSHBWCo=; b=OoN3UWmLSCjyxYbzaa/VyreR9Zp9zZE7q4yjWoRCcej2BHg4aQ044HHkVDn/SawDGs xygKZwOWRrg9shT9yAucyLF6JUhOidpReQLO08WoWlOww74TOvMA9ViH1KwkS5HDFQJa y+AyGlFm7eQ/xHxPvinfJ1GONUFKOJqagJ2BY2uxKaAzYfrmCGsCa4yr7xv8/m49BRfU KlXVshXWDHbntXMlZI7+vEacDxTrUH1emR9hZmFm4q/PkdnrRRqZ8ALZY/gtIumGa75s 4tL6H+cr1eSITvTUPxxUzr3WyxhZ30248GorV0XuK4prnVd3rVvMT55DDWK1kXMXlQb2 U/Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258894; x=1690863694; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sltDOqqNfHEtvz8jLXUjW/r74sJCuRKUMVTEbSHBWCo=; b=YCjtJmYINc8unV26DN+sFK6gQqIYW4EXoQIt25fZgYohEItBVAL7v/xoSOH+yxDW6l f8HttuT812Avn/2WipP9kL3C+il5zMYxqBiV3bZMTkwtCTsPneX3iuOvOgmnzb7o0f/4 jj1KEM0VkAepeJgW+5K9TOnh8dCQe72A+jX5QmR6ZAT83aPMgBXvLUWl2XwqeV9Aiktr VNH94qH4ipuVPxFGYFjxoufsQkbTBpc9X5OfK/wlKTNaFnDKBGy0EwsPG+YV0ENtTsi9 f4JCQjhtNYhHCMFy4TAC7FKLtKB/woOOxWHyLas1MiiPNfangF5Gx5lpjjwQ1MicmJCA auQQ== X-Gm-Message-State: ABy/qLb1+CGK7o1gt0IJZurEJkDkHbiXMqJVWEzpRiKZZcb+DODWSd8r UVONZltKniTYa429fXIWl6w= X-Google-Smtp-Source: APBJJlHsEM8PJvWhxaYGxDCv9CFh7IDA0XQcYTrJ3snbNygB4DE40wKDxkk+qw9NHN2b60Di5RWY+Q== X-Received: by 2002:a25:f908:0:b0:d08:7ffc:c0eb with SMTP id q8-20020a25f908000000b00d087ffcc0ebmr6392710ybe.19.1690258893793; Mon, 24 Jul 2023 21:21:33 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Dave Hansen Subject: [PATCH mm-unstable v7 13/31] x86: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:33 -0700 Message-Id: <20230725042051.36691-14-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258922250100001 Content-Type: text/plain; charset="utf-8" In order to split struct ptdesc from struct page, convert various functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) --- arch/x86/mm/pgtable.c | 47 ++++++++++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 19 deletions(-) diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 15a8009a4480..d3a93e8766ee 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -52,7 +52,7 @@ early_param("userpte", setup_userpte); =20 void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte) { - pgtable_pte_page_dtor(pte); + pagetable_pte_dtor(page_ptdesc(pte)); paravirt_release_pte(page_to_pfn(pte)); paravirt_tlb_remove_table(tlb, pte); } @@ -60,7 +60,7 @@ void ___pte_free_tlb(struct mmu_gather *tlb, struct page = *pte) #if CONFIG_PGTABLE_LEVELS > 2 void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd) { - struct page *page =3D virt_to_page(pmd); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pmd); paravirt_release_pmd(__pa(pmd) >> PAGE_SHIFT); /* * NOTE! For PAE, any changes to the top page-directory-pointer-table @@ -69,8 +69,8 @@ void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd) #ifdef CONFIG_X86_PAE tlb->need_flush_all =3D 1; #endif - pgtable_pmd_page_dtor(page); - paravirt_tlb_remove_table(tlb, page); + pagetable_pmd_dtor(ptdesc); + paravirt_tlb_remove_table(tlb, ptdesc_page(ptdesc)); } =20 #if CONFIG_PGTABLE_LEVELS > 3 @@ -92,16 +92,16 @@ void ___p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d) =20 static inline void pgd_list_add(pgd_t *pgd) { - struct page *page =3D virt_to_page(pgd); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pgd); =20 - list_add(&page->lru, &pgd_list); + list_add(&ptdesc->pt_list, &pgd_list); } =20 static inline void pgd_list_del(pgd_t *pgd) { - struct page *page =3D virt_to_page(pgd); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pgd); =20 - list_del(&page->lru); + list_del(&ptdesc->pt_list); } =20 #define UNSHARED_PTRS_PER_PGD \ @@ -112,12 +112,12 @@ static inline void pgd_list_del(pgd_t *pgd) =20 static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) { - virt_to_page(pgd)->pt_mm =3D mm; + virt_to_ptdesc(pgd)->pt_mm =3D mm; } =20 struct mm_struct *pgd_page_get_mm(struct page *page) { - return page->pt_mm; + return page_ptdesc(page)->pt_mm; } =20 static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) @@ -213,11 +213,14 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, = pmd_t *pmd) static void free_pmds(struct mm_struct *mm, pmd_t *pmds[], int count) { int i; + struct ptdesc *ptdesc; =20 for (i =3D 0; i < count; i++) if (pmds[i]) { - pgtable_pmd_page_dtor(virt_to_page(pmds[i])); - free_page((unsigned long)pmds[i]); + ptdesc =3D virt_to_ptdesc(pmds[i]); + + pagetable_pmd_dtor(ptdesc); + pagetable_free(ptdesc); mm_dec_nr_pmds(mm); } } @@ -230,18 +233,24 @@ static int preallocate_pmds(struct mm_struct *mm, pmd= _t *pmds[], int count) =20 if (mm =3D=3D &init_mm) gfp &=3D ~__GFP_ACCOUNT; + gfp &=3D ~__GFP_HIGHMEM; =20 for (i =3D 0; i < count; i++) { - pmd_t *pmd =3D (pmd_t *)__get_free_page(gfp); - if (!pmd) + pmd_t *pmd =3D NULL; + struct ptdesc *ptdesc =3D pagetable_alloc(gfp, 0); + + if (!ptdesc) failed =3D true; - if (pmd && !pgtable_pmd_page_ctor(virt_to_page(pmd))) { - free_page((unsigned long)pmd); - pmd =3D NULL; + if (ptdesc && !pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); + ptdesc =3D NULL; failed =3D true; } - if (pmd) + if (ptdesc) { mm_inc_nr_pmds(mm); + pmd =3D ptdesc_address(ptdesc); + } + pmds[i] =3D pmd; } =20 @@ -830,7 +839,7 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr) =20 free_page((unsigned long)pmd_sv); =20 - pgtable_pmd_page_dtor(virt_to_page(pmd)); + pagetable_pmd_dtor(virt_to_ptdesc(pmd)); free_page((unsigned long)pmd); =20 return 1; --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259268; cv=none; d=zohomail.com; s=zohoarc; b=DcMcmFk3079XmYTyJud3Ui2ZKiZ6V8jLAV4FsZWITHA7T03zeE4qbtbdrBVndnVvgpr6/AFPGFVnltkNfEPLxxZ076r2Z79Ozi2+0SZd1qMn3BtNMIyYEOXFcBJdJU/wZ/Ziw49GVwr0djr1/Luw5W/jnAA5C5Ahe3PAQEXfwjo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259268; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=HTuFXf3k0XF+iUx9+PEFpsWUTVtSma2QbqtalFKJ0Mg=; b=nNowCLhQNh/wsCZxkc0RQEy4s9dKqon4jncEUg2Dg2AEINUCTz3nie3iFjrfmEzAywlmz4/ovq1qrlA6Ko/yXv4/n4XmtCEHChaB4qDLPLZ/xSsuD+vb0DvX1SfJJBmd/ze0+BDdR66Ot7OArnHzlucqWr4LrEp1ZE0Yz8xG7mI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259268732894.1809593899279; Mon, 24 Jul 2023 21:27:48 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569385.889983 (Exim 4.92) (envelope-from ) id 1qO9dq-0003VP-Ni; Tue, 25 Jul 2023 04:27:22 +0000 Received: by outflank-mailman (output) from mailman id 569385.889983; Tue, 25 Jul 2023 04:27:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dq-0003Te-EO; Tue, 25 Jul 2023 04:27:22 +0000 Received: by outflank-mailman (input) for mailman id 569385; Tue, 25 Jul 2023 04:27:20 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YJ-00023t-AX for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:39 +0000 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [2607:f8b0:4864:20::b36]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id be9e996b-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:37 +0200 (CEST) Received: by mail-yb1-xb36.google.com with SMTP id 3f1490d57ef6-d10354858e8so1903814276.2 for ; Mon, 24 Jul 2023 21:21:37 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:35 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: be9e996b-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258896; x=1690863696; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HTuFXf3k0XF+iUx9+PEFpsWUTVtSma2QbqtalFKJ0Mg=; b=QrRJzaA03gdUbTqzHfmEzG/SCLN8TfMO31W01m+ZWQlnbcrzlb4tYT+35zeJjfW06z 9U9gt9lsV+tgAHhZ8n35SKI0CeQMqkEFGZ5B5orgn4svLxjBxl6Jzaq1tScsN4cutOyY MBojHX9rcIUgj3E6lWh0fv0eOSaMCWjRoxbQUhG1aAVpaeKYRSQsFSUSSXXm+4gUld+4 AAwiKYy7kKhjXb8bIEfD9zbtO0aneFF+lO/xjXVcWjg9cVHeUj4bupcxDkGJc2fLy1IN +ECwgNBBuGb+qDcAZhQy4/GreCi4XEqGLy5ZaCaADXrFmYS9d/RmD/xlr0+TZwqE0RSU qvRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258896; x=1690863696; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HTuFXf3k0XF+iUx9+PEFpsWUTVtSma2QbqtalFKJ0Mg=; b=Njcpg+ryS4YxSdsPV7QeI+ugIhHj42TJyaya1QLCnoXgj7jwvXnBG16e0kIEcEQ0pc dn0n+Qncup4wRyuqp40VVG072uJHcbEFfc3lbX6IKJKbUrpN82eRVmb5LI+uEFcTGXh6 j48tSFtsS8rv0Q7u6K0pV0D0lzZJPI7UaI7adDvlcuFd+ixLtf+K2RN+/ahDcQdrP5j4 4a4Uxg6hEe+3fnFD+Jq+FiPlnDZdynLROK3EzxEmxWFHkFO09y1cphaatCIxCpRVOuHZ Ymzd2hjNH4nnzXVSyWt0E40mnoOS8iRwNJ2FBoMH0v6oMUqBbN+XdcHF2AQ80fYh7vWC lxRw== X-Gm-Message-State: ABy/qLaxra+PpLYFwzO4jNdYNRYgSyxh6/5fsKE1Ov69rlXh69nD97qw +jMKe5mRRCqCJqjR37Nh4jg= X-Google-Smtp-Source: APBJJlEki8LDrmeLBLq59XmoJzB5sRXzAtgIv4vzSjEn99cb+IjR/JJiSJaFtdPyyxG1wP2vNvhZ2w== X-Received: by 2002:a25:8e0d:0:b0:d13:80a0:b428 with SMTP id p13-20020a258e0d000000b00d1380a0b428mr2932580ybl.3.1690258896011; Mon, 24 Jul 2023 21:21:36 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , David Hildenbrand , Claudio Imbrenda , Mike Rapoport Subject: [PATCH mm-unstable v7 14/31] s390: Convert various pgalloc functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:34 -0700 Message-Id: <20230725042051.36691-15-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259269668100013 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/s390/include/asm/pgalloc.h | 4 +- arch/s390/include/asm/tlb.h | 4 +- arch/s390/mm/pgalloc.c | 128 ++++++++++++++++---------------- 3 files changed, 69 insertions(+), 67 deletions(-) diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgallo= c.h index 89a9d5ef94f8..376b4b23bdaa 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -86,7 +86,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, = unsigned long vmaddr) if (!table) return NULL; crst_table_init(table, _SEGMENT_ENTRY_EMPTY); - if (!pgtable_pmd_page_ctor(virt_to_page(table))) { + if (!pagetable_pmd_ctor(virt_to_ptdesc(table))) { crst_table_free(mm, table); return NULL; } @@ -97,7 +97,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *= pmd) { if (mm_pmd_folded(mm)) return; - pgtable_pmd_page_dtor(virt_to_page(pmd)); + pagetable_pmd_dtor(virt_to_ptdesc(pmd)); crst_table_free(mm, (unsigned long *) pmd); } =20 diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index b91f4a9b044c..383b1f91442c 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -89,12 +89,12 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb,= pmd_t *pmd, { if (mm_pmd_folded(tlb->mm)) return; - pgtable_pmd_page_dtor(virt_to_page(pmd)); + pagetable_pmd_dtor(virt_to_ptdesc(pmd)); __tlb_adjust_range(tlb, address, PAGE_SIZE); tlb->mm->context.flush_mm =3D 1; tlb->freed_tables =3D 1; tlb->cleared_puds =3D 1; - tlb_remove_table(tlb, pmd); + tlb_remove_ptdesc(tlb, pmd); } =20 /* diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index d7374add7820..07fc660a24aa 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -43,17 +43,17 @@ __initcall(page_table_register_sysctl); =20 unsigned long *crst_table_alloc(struct mm_struct *mm) { - struct page *page =3D alloc_pages(GFP_KERNEL, CRST_ALLOC_ORDER); + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL, CRST_ALLOC_ORDER); =20 - if (!page) + if (!ptdesc) return NULL; - arch_set_page_dat(page, CRST_ALLOC_ORDER); - return (unsigned long *) page_to_virt(page); + arch_set_page_dat(ptdesc_page(ptdesc), CRST_ALLOC_ORDER); + return (unsigned long *) ptdesc_to_virt(ptdesc); } =20 void crst_table_free(struct mm_struct *mm, unsigned long *table) { - free_pages((unsigned long)table, CRST_ALLOC_ORDER); + pagetable_free(virt_to_ptdesc(table)); } =20 static void __crst_table_upgrade(void *arg) @@ -140,21 +140,21 @@ static inline unsigned int atomic_xor_bits(atomic_t *= v, unsigned int bits) =20 struct page *page_table_alloc_pgste(struct mm_struct *mm) { - struct page *page; + struct ptdesc *ptdesc; u64 *table; =20 - page =3D alloc_page(GFP_KERNEL); - if (page) { - table =3D (u64 *)page_to_virt(page); + ptdesc =3D pagetable_alloc(GFP_KERNEL, 0); + if (ptdesc) { + table =3D (u64 *)ptdesc_to_virt(ptdesc); memset64(table, _PAGE_INVALID, PTRS_PER_PTE); memset64(table + PTRS_PER_PTE, 0, PTRS_PER_PTE); } - return page; + return ptdesc_page(ptdesc); } =20 void page_table_free_pgste(struct page *page) { - __free_page(page); + pagetable_free(page_ptdesc(page)); } =20 #endif /* CONFIG_PGSTE */ @@ -242,7 +242,7 @@ void page_table_free_pgste(struct page *page) unsigned long *page_table_alloc(struct mm_struct *mm) { unsigned long *table; - struct page *page; + struct ptdesc *ptdesc; unsigned int mask, bit; =20 /* Try to get a fragment of a 4K page as a 2K page table */ @@ -250,9 +250,9 @@ unsigned long *page_table_alloc(struct mm_struct *mm) table =3D NULL; spin_lock_bh(&mm->context.lock); if (!list_empty(&mm->context.pgtable_list)) { - page =3D list_first_entry(&mm->context.pgtable_list, - struct page, lru); - mask =3D atomic_read(&page->_refcount) >> 24; + ptdesc =3D list_first_entry(&mm->context.pgtable_list, + struct ptdesc, pt_list); + mask =3D atomic_read(&ptdesc->_refcount) >> 24; /* * The pending removal bits must also be checked. * Failure to do so might lead to an impossible @@ -264,13 +264,13 @@ unsigned long *page_table_alloc(struct mm_struct *mm) */ mask =3D (mask | (mask >> 4)) & 0x03U; if (mask !=3D 0x03U) { - table =3D (unsigned long *) page_to_virt(page); + table =3D (unsigned long *) ptdesc_to_virt(ptdesc); bit =3D mask & 1; /* =3D1 -> second 2K */ if (bit) table +=3D PTRS_PER_PTE; - atomic_xor_bits(&page->_refcount, + atomic_xor_bits(&ptdesc->_refcount, 0x01U << (bit + 24)); - list_del_init(&page->lru); + list_del_init(&ptdesc->pt_list); } } spin_unlock_bh(&mm->context.lock); @@ -278,28 +278,28 @@ unsigned long *page_table_alloc(struct mm_struct *mm) return table; } /* Allocate a fresh page */ - page =3D alloc_page(GFP_KERNEL); - if (!page) + ptdesc =3D pagetable_alloc(GFP_KERNEL, 0); + if (!ptdesc) return NULL; - if (!pgtable_pte_page_ctor(page)) { - __free_page(page); + if (!pagetable_pte_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } - arch_set_page_dat(page, 0); + arch_set_page_dat(ptdesc_page(ptdesc), 0); /* Initialize page table */ - table =3D (unsigned long *) page_to_virt(page); + table =3D (unsigned long *) ptdesc_to_virt(ptdesc); if (mm_alloc_pgste(mm)) { /* Return 4K page table with PGSTEs */ - INIT_LIST_HEAD(&page->lru); - atomic_xor_bits(&page->_refcount, 0x03U << 24); + INIT_LIST_HEAD(&ptdesc->pt_list); + atomic_xor_bits(&ptdesc->_refcount, 0x03U << 24); memset64((u64 *)table, _PAGE_INVALID, PTRS_PER_PTE); memset64((u64 *)table + PTRS_PER_PTE, 0, PTRS_PER_PTE); } else { /* Return the first 2K fragment of the page */ - atomic_xor_bits(&page->_refcount, 0x01U << 24); + atomic_xor_bits(&ptdesc->_refcount, 0x01U << 24); memset64((u64 *)table, _PAGE_INVALID, 2 * PTRS_PER_PTE); spin_lock_bh(&mm->context.lock); - list_add(&page->lru, &mm->context.pgtable_list); + list_add(&ptdesc->pt_list, &mm->context.pgtable_list); spin_unlock_bh(&mm->context.lock); } return table; @@ -322,19 +322,18 @@ static void page_table_release_check(struct page *pag= e, void *table, =20 static void pte_free_now(struct rcu_head *head) { - struct page *page; + struct ptdesc *ptdesc; =20 - page =3D container_of(head, struct page, rcu_head); - pgtable_pte_page_dtor(page); - __free_page(page); + ptdesc =3D container_of(head, struct ptdesc, pt_rcu_head); + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } =20 void page_table_free(struct mm_struct *mm, unsigned long *table) { unsigned int mask, bit, half; - struct page *page; + struct ptdesc *ptdesc =3D virt_to_ptdesc(table); =20 - page =3D virt_to_page(table); if (!mm_alloc_pgste(mm)) { /* Free 2K page table fragment of a 4K page */ bit =3D ((unsigned long) table & ~PAGE_MASK)/(PTRS_PER_PTE*sizeof(pte_t)= ); @@ -344,51 +343,50 @@ void page_table_free(struct mm_struct *mm, unsigned l= ong *table) * will happen outside of the critical section from this * function or from __tlb_remove_table() */ - mask =3D atomic_xor_bits(&page->_refcount, 0x11U << (bit + 24)); + mask =3D atomic_xor_bits(&ptdesc->_refcount, 0x11U << (bit + 24)); mask >>=3D 24; - if ((mask & 0x03U) && !PageActive(page)) { + if ((mask & 0x03U) && !folio_test_active(ptdesc_folio(ptdesc))) { /* * Other half is allocated, and neither half has had * its free deferred: add page to head of list, to make * this freed half available for immediate reuse. */ - list_add(&page->lru, &mm->context.pgtable_list); + list_add(&ptdesc->pt_list, &mm->context.pgtable_list); } else { /* If page is on list, now remove it. */ - list_del_init(&page->lru); + list_del_init(&ptdesc->pt_list); } spin_unlock_bh(&mm->context.lock); - mask =3D atomic_xor_bits(&page->_refcount, 0x10U << (bit + 24)); + mask =3D atomic_xor_bits(&ptdesc->_refcount, 0x10U << (bit + 24)); mask >>=3D 24; if (mask !=3D 0x00U) return; half =3D 0x01U << bit; } else { half =3D 0x03U; - mask =3D atomic_xor_bits(&page->_refcount, 0x03U << 24); + mask =3D atomic_xor_bits(&ptdesc->_refcount, 0x03U << 24); mask >>=3D 24; } =20 - page_table_release_check(page, table, half, mask); - if (TestClearPageActive(page)) - call_rcu(&page->rcu_head, pte_free_now); + page_table_release_check(ptdesc_page(ptdesc), table, half, mask); + if (folio_test_clear_active(ptdesc_folio(ptdesc))) + call_rcu(&ptdesc->pt_rcu_head, pte_free_now); else - pte_free_now(&page->rcu_head); + pte_free_now(&ptdesc->pt_rcu_head); } =20 void page_table_free_rcu(struct mmu_gather *tlb, unsigned long *table, unsigned long vmaddr) { struct mm_struct *mm; - struct page *page; unsigned int bit, mask; + struct ptdesc *ptdesc =3D virt_to_ptdesc(table); =20 mm =3D tlb->mm; - page =3D virt_to_page(table); if (mm_alloc_pgste(mm)) { gmap_unlink(mm, table, vmaddr); table =3D (unsigned long *) ((unsigned long)table | 0x03U); - tlb_remove_table(tlb, table); + tlb_remove_ptdesc(tlb, table); return; } bit =3D ((unsigned long) table & ~PAGE_MASK) / (PTRS_PER_PTE*sizeof(pte_t= )); @@ -398,19 +396,19 @@ void page_table_free_rcu(struct mmu_gather *tlb, unsi= gned long *table, * outside of the critical section from __tlb_remove_table() or from * page_table_free() */ - mask =3D atomic_xor_bits(&page->_refcount, 0x11U << (bit + 24)); + mask =3D atomic_xor_bits(&ptdesc->_refcount, 0x11U << (bit + 24)); mask >>=3D 24; - if ((mask & 0x03U) && !PageActive(page)) { + if ((mask & 0x03U) && !folio_test_active(ptdesc_folio(ptdesc))) { /* * Other half is allocated, and neither half has had * its free deferred: add page to end of list, to make * this freed half available for reuse once its pending * bit has been cleared by __tlb_remove_table(). */ - list_add_tail(&page->lru, &mm->context.pgtable_list); + list_add_tail(&ptdesc->pt_list, &mm->context.pgtable_list); } else { /* If page is on list, now remove it. */ - list_del_init(&page->lru); + list_del_init(&ptdesc->pt_list); } spin_unlock_bh(&mm->context.lock); table =3D (unsigned long *) ((unsigned long) table | (0x01U << bit)); @@ -421,30 +419,30 @@ void __tlb_remove_table(void *_table) { unsigned int mask =3D (unsigned long) _table & 0x03U, half =3D mask; void *table =3D (void *)((unsigned long) _table ^ mask); - struct page *page =3D virt_to_page(table); + struct ptdesc *ptdesc =3D virt_to_ptdesc(table); =20 switch (half) { case 0x00U: /* pmd, pud, or p4d */ - free_pages((unsigned long)table, CRST_ALLOC_ORDER); + pagetable_free(ptdesc); return; case 0x01U: /* lower 2K of a 4K page table */ case 0x02U: /* higher 2K of a 4K page table */ - mask =3D atomic_xor_bits(&page->_refcount, mask << (4 + 24)); + mask =3D atomic_xor_bits(&ptdesc->_refcount, mask << (4 + 24)); mask >>=3D 24; if (mask !=3D 0x00U) return; break; case 0x03U: /* 4K page table with pgstes */ - mask =3D atomic_xor_bits(&page->_refcount, 0x03U << 24); + mask =3D atomic_xor_bits(&ptdesc->_refcount, 0x03U << 24); mask >>=3D 24; break; } =20 - page_table_release_check(page, table, half, mask); - if (TestClearPageActive(page)) - call_rcu(&page->rcu_head, pte_free_now); + page_table_release_check(ptdesc_page(ptdesc), table, half, mask); + if (folio_test_clear_active(ptdesc_folio(ptdesc))) + call_rcu(&ptdesc->pt_rcu_head, pte_free_now); else - pte_free_now(&page->rcu_head); + pte_free_now(&ptdesc->pt_rcu_head); } =20 #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -488,16 +486,20 @@ static void base_pgt_free(unsigned long *table) static unsigned long *base_crst_alloc(unsigned long val) { unsigned long *table; + struct ptdesc *ptdesc; =20 - table =3D (unsigned long *)__get_free_pages(GFP_KERNEL, CRST_ALLOC_ORDER); - if (table) - crst_table_init(table, val); + ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, CRST_ALLOC_ORDER); + if (!ptdesc) + return NULL; + table =3D ptdesc_address(ptdesc); + + crst_table_init(table, val); return table; } =20 static void base_crst_free(unsigned long *table) { - free_pages((unsigned long)table, CRST_ALLOC_ORDER); + pagetable_free(virt_to_ptdesc(table)); } =20 #define BASE_ADDR_END_FUNC(NAME, SIZE) \ --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259284; cv=none; d=zohomail.com; s=zohoarc; b=OerjJ/m3P05JMsvq5d6iM7FUQrwW94pYcza6OsE0O19K/j7kYeRDWSjaen64WKu82+1fXgZMNyMaVztheYhbnU8syAwAP312BXHpNSckTij3bev3KGhbcw4TMhWo4klu0UHwQiU9Iui+fXLJLBLwDQO6KsHXP9j7w1ya8LT9ekE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259284; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hoPDwBR7UkDBRqaPTC6ObTEe9OrRslO4Jma44jkeaBI=; b=QZgG/hLEttqspq4quan/ws9qI28XmhY/uUVgyWlLop33JtkhCL5EmtwlorwCWseK1yhLbVpW0EAoV3gBPiawaVM3ALHvBrohJQczYRtlFktkTC2ZCQeySv75M6lVbwu2q85lcZ49G4bQXpUrB7k/lSTDP+V2i8/ZEpRHZoo8Y6E= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259284328529.0857832098116; Mon, 24 Jul 2023 21:28:04 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569408.890114 (Exim 4.92) (envelope-from ) id 1qO9eA-0000J3-Mz; Tue, 25 Jul 2023 04:27:42 +0000 Received: by outflank-mailman (output) from mailman id 569408.890114; Tue, 25 Jul 2023 04:27:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9e9-0000Ef-U0; Tue, 25 Jul 2023 04:27:41 +0000 Received: by outflank-mailman (input) for mailman id 569408; Tue, 25 Jul 2023 04:27:38 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YK-00023t-Vo for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:40 +0000 Received: from mail-yb1-xb2f.google.com (mail-yb1-xb2f.google.com [2607:f8b0:4864:20::b2f]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id bfda9d7c-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:39 +0200 (CEST) Received: by mail-yb1-xb2f.google.com with SMTP id 3f1490d57ef6-d0a8ae5f8a6so2876729276.0 for ; Mon, 24 Jul 2023 21:21:39 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:37 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: bfda9d7c-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258898; x=1690863698; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=hoPDwBR7UkDBRqaPTC6ObTEe9OrRslO4Jma44jkeaBI=; b=Dgs8EsJAHasnII4rJ0h10Nj9H3O9uzEKXy7LW6sf6S5UPbm7zagckuwMpdCbvZk8cU 3/jnkSDkvXi64EHRwyjz+CM8p/KmVE/9fnMiDEX0PvmK/w2bAUSZDPt5BzsyT9VmXNoR USMHwv5na3aMh8DeZjSQRwfSfPFKG4ZOnIYC2X37iqKJqBwj0eKoY0bqe0NY7N310KPu aidhbQQvpt95cN5aH+LGh5XqwJcQ2uC+n4TR20GhHOCZWT8rqRInnhuzQKk9A3ffSHvU 8/8KhU8ISd3BEz/7bIAWQZEwejG7oku5b5qOTInFSfUdh8Iny4J/y8tSxkhE65C29I99 J5UQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258898; x=1690863698; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=hoPDwBR7UkDBRqaPTC6ObTEe9OrRslO4Jma44jkeaBI=; b=NG/nib/MQdLQjtpgBS8UtsrytNZaNemSisFaelEVymkoLBwzbLdwAsdG6mhu5LjL1h E4FOt+jbhA4y8LNOzX32r0KKQrf3/RBfWm17ccK4NGGyyfC5C1XOOHQIvYNQnTsJdM/F 8jtv4b+ILpLmDQVw8e734XRK/GeEaUiM/nVjd230/4lFQktr0u9E/3h3RQXbVwsgEKPS z8dIWhnsWJ5TrJOjTXa9iiJnMx9KrS4RxGOgox2pryO1CJYJIqzn04IQyObuyPHYiR+Z FNKg3ffcMa7e/9fw/yKfCr5G6mGIFjsEtVXU38198IqTWktrSyKrB2dkiimh1I7/5a/X XJSQ== X-Gm-Message-State: ABy/qLbHFhwHgNKa817sCQlGLrU+4L/BOOkguoqW65hl4Zl7s2MzkJWf oSee8cMAzE1tjDs9HmCW0Bw= X-Google-Smtp-Source: APBJJlF5Dk/uQrTXMbCnDdD5/bLVaLQ5W3zqcEOsqm95ohTlFSSUZBYyBU16PWFlX2Ey7GE6JXmN/Q== X-Received: by 2002:a25:254c:0:b0:d0b:9058:f660 with SMTP id l73-20020a25254c000000b00d0b9058f660mr5944061ybl.44.1690258898065; Mon, 24 Jul 2023 21:21:38 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 15/31] mm: Remove page table members from struct page Date: Mon, 24 Jul 2023 21:20:35 -0700 Message-Id: <20230725042051.36691-16-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259284756100005 Content-Type: text/plain; charset="utf-8" The page table members are now split out into their own ptdesc struct. Remove them from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm_types.h | 18 ------------------ include/linux/pgtable.h | 3 --- 2 files changed, 21 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index da538ff68953..aae6af098031 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -141,24 +141,6 @@ struct page { struct { /* Tail pages of compound page */ unsigned long compound_head; /* Bit zero is set */ }; - struct { /* Page table pages */ - unsigned long _pt_pad_1; /* compound_head */ - pgtable_t pmd_huge_pte; /* protected by page->ptl */ - /* - * A PTE page table page might be freed by use of - * rcu_head: which overlays those two fields above. - */ - unsigned long _pt_pad_2; /* mapping */ - union { - struct mm_struct *pt_mm; /* x86 pgds only */ - atomic_t pt_frag_refcount; /* powerpc */ - }; -#if ALLOC_SPLIT_PTLOCKS - spinlock_t *ptl; -#else - spinlock_t ptl; -#endif - }; struct { /* ZONE_DEVICE pages */ /** @pgmap: Points to the hosting device page map. */ struct dev_pagemap *pgmap; diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 250fdeba68f3..1a984c300d45 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1051,10 +1051,7 @@ struct ptdesc { TABLE_MATCH(flags, __page_flags); TABLE_MATCH(compound_head, pt_list); TABLE_MATCH(compound_head, _pt_pad_1); -TABLE_MATCH(pmd_huge_pte, pmd_huge_pte); TABLE_MATCH(mapping, __page_mapping); -TABLE_MATCH(pt_mm, pt_mm); -TABLE_MATCH(ptl, ptl); TABLE_MATCH(rcu_head, pt_rcu_head); TABLE_MATCH(page_type, __page_type); TABLE_MATCH(_refcount, _refcount); --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690258934; cv=none; d=zohomail.com; s=zohoarc; b=ZfsSH5iZI6Tm4lKN++riPdOn58rP9Ns35fe8cIZEtPU2pdvCCUp8f/WqMTjlmpCme3FQv7C1NVcjW+yyITreeCgNU7oGun0F9O9tgRmWPMOPcvpc2ZvRTBcI6ElAfpHZBW261IEC9PCxCHwCarVh9Dygq+0tVIVPi0Lr8xHnzxw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690258934; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=bBkB4loM/Mt006iaxsYk7j8UnaAx8a9/NTd5FkPootg=; b=E2Si3kjedPzS8GzD8GUOtTOssa59WvC0Pv8r02nUsc5dJ3UWA4KvdjDjabRJG/Rk55OQchNv5NxbJ1HxLFbayjuxR2S1HF8mbIQmn0BpfCKw56BFBRGUyg4h9MYOb9cC8vUtpNdO1J530AkXGC+83t8D6tapCJxeXCavspEkqWI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690258934465319.25424349282514; Mon, 24 Jul 2023 21:22:14 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569373.889920 (Exim 4.92) (envelope-from ) id 1qO9YM-0007NK-MP; Tue, 25 Jul 2023 04:21:42 +0000 Received: by outflank-mailman (output) from mailman id 569373.889920; Tue, 25 Jul 2023 04:21:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YM-0007M4-Ib; Tue, 25 Jul 2023 04:21:42 +0000 Received: by outflank-mailman (input) for mailman id 569373; Tue, 25 Jul 2023 04:21:42 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YM-0002Iw-1J for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:42 +0000 Received: from mail-yb1-xb2b.google.com (mail-yb1-xb2b.google.com [2607:f8b0:4864:20::b2b]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id c1112e51-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:41 +0200 (CEST) Received: by mail-yb1-xb2b.google.com with SMTP id 3f1490d57ef6-d075a831636so3448184276.3 for ; Mon, 24 Jul 2023 21:21:41 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:39 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c1112e51-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258900; x=1690863700; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=bBkB4loM/Mt006iaxsYk7j8UnaAx8a9/NTd5FkPootg=; b=ZdUhmLaX4gyxiKMyaj14CX9NQ1dcJnSa6rrPN3h4Mn2BougMhb6+8eVh3LDQVrQc65 NbnS7VdeFeEZ212ZKZ16lIX06FqrCLzrwnXox0T9+YGd8WFEd02oq0hboPERBUgGx8JC HOw+EuGxnkrsAxoVIbFXPSdQFe979NDqglA7jt9NXl1ISDIRCiCswdNU94Ao6k2KFzes p0unhJhxsBzqp2at7WfBaU/RBWoIHYWL79aXOZXm1nAXnss+vRNjWMvAhrXpkXlQkCEM C6Xg+Yg0Z0IGF4ytYyUqBQzs61/z6rc7xaR+RbhDKuWWQZ0zi2wRVTJY+XBjSXIYJO1f lTUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258900; x=1690863700; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bBkB4loM/Mt006iaxsYk7j8UnaAx8a9/NTd5FkPootg=; b=LlxNxhJ8JHdSBYDMBGvvGkXCQtc3+lHI5b3fG/dtIe+pj/x/rznAkKN9HP4oGmGdBu BClREEAOXjN1mnkMc22+bXDg/j6M0xkmHAoNVx1DtXyj+6FLZsv2a6WKozBbLNkuJMqC dV5xML8k5mzdKzX35Tm6UK0b+uuMNlLxBOR0AovNAHMNci1pUWk1eBEUz1/xqTMyuybL MSKQ3QM2nNkks1s8KF2jN28CskW26bPMJhbeeVwMgrBKeMRtmEnmLun6ShYrZl4CWjwp ndvVptcCvHWiLf9z3MPMQ1971xYkErjdvoPrhiJxORCDARrc5i9H5I8R8vAVSHLkaXLy SRpg== X-Gm-Message-State: ABy/qLZFuuD2SzTu+C6oa7RIIoyKBFXOZhplNGVLgWKdtp90tWtUQAHU wLjAeKBWNMK5i/cUwzOCLh8= X-Google-Smtp-Source: APBJJlH216bHzn+k38ByANxYCweqR/XKQKTMqZJNszM/Cw5+4Xe9qdLUIJ9YJ2RtXuXTDJ+OkOOs1w== X-Received: by 2002:a25:1003:0:b0:d0b:7ad2:6426 with SMTP id 3-20020a251003000000b00d0b7ad26426mr5060713ybq.18.1690258900146; Mon, 24 Jul 2023 21:21:40 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" Subject: [PATCH mm-unstable v7 16/31] pgalloc: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:36 -0700 Message-Id: <20230725042051.36691-17-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690258935637100001 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) --- include/asm-generic/pgalloc.h | 88 +++++++++++++++++++++-------------- 1 file changed, 52 insertions(+), 36 deletions(-) diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h index a7cf825befae..c75d4a753849 100644 --- a/include/asm-generic/pgalloc.h +++ b/include/asm-generic/pgalloc.h @@ -8,7 +8,7 @@ #define GFP_PGTABLE_USER (GFP_PGTABLE_KERNEL | __GFP_ACCOUNT) =20 /** - * __pte_alloc_one_kernel - allocate a page for PTE-level kernel page table + * __pte_alloc_one_kernel - allocate memory for a PTE-level kernel page ta= ble * @mm: the mm_struct of the current context * * This function is intended for architectures that need @@ -18,12 +18,17 @@ */ static inline pte_t *__pte_alloc_one_kernel(struct mm_struct *mm) { - return (pte_t *)__get_free_page(GFP_PGTABLE_KERNEL); + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_PGTABLE_KERNEL & + ~__GFP_HIGHMEM, 0); + + if (!ptdesc) + return NULL; + return ptdesc_address(ptdesc); } =20 #ifndef __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL /** - * pte_alloc_one_kernel - allocate a page for PTE-level kernel page table + * pte_alloc_one_kernel - allocate memory for a PTE-level kernel page table * @mm: the mm_struct of the current context * * Return: pointer to the allocated memory or %NULL on error @@ -35,40 +40,40 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_str= uct *mm) #endif =20 /** - * pte_free_kernel - free PTE-level kernel page table page + * pte_free_kernel - free PTE-level kernel page table memory * @mm: the mm_struct of the current context * @pte: pointer to the memory containing the page table */ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { - free_page((unsigned long)pte); + pagetable_free(virt_to_ptdesc(pte)); } =20 /** - * __pte_alloc_one - allocate a page for PTE-level user page table + * __pte_alloc_one - allocate memory for a PTE-level user page table * @mm: the mm_struct of the current context * @gfp: GFP flags to use for the allocation * - * Allocates a page and runs the pgtable_pte_page_ctor(). + * Allocate memory for a page table and ptdesc and runs pagetable_pte_ctor= (). * * This function is intended for architectures that need * anything beyond simple page allocation or must have custom GFP flags. * - * Return: `struct page` initialized as page table or %NULL on error + * Return: `struct page` referencing the ptdesc or %NULL on error */ static inline pgtable_t __pte_alloc_one(struct mm_struct *mm, gfp_t gfp) { - struct page *pte; + struct ptdesc *ptdesc; =20 - pte =3D alloc_page(gfp); - if (!pte) + ptdesc =3D pagetable_alloc(gfp, 0); + if (!ptdesc) return NULL; - if (!pgtable_pte_page_ctor(pte)) { - __free_page(pte); + if (!pagetable_pte_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } =20 - return pte; + return ptdesc_page(ptdesc); } =20 #ifndef __HAVE_ARCH_PTE_ALLOC_ONE @@ -76,9 +81,9 @@ static inline pgtable_t __pte_alloc_one(struct mm_struct = *mm, gfp_t gfp) * pte_alloc_one - allocate a page for PTE-level user page table * @mm: the mm_struct of the current context * - * Allocates a page and runs the pgtable_pte_page_ctor(). + * Allocate memory for a page table and ptdesc and runs pagetable_pte_ctor= (). * - * Return: `struct page` initialized as page table or %NULL on error + * Return: `struct page` referencing the ptdesc or %NULL on error */ static inline pgtable_t pte_alloc_one(struct mm_struct *mm) { @@ -92,14 +97,16 @@ static inline pgtable_t pte_alloc_one(struct mm_struct = *mm) */ =20 /** - * pte_free - free PTE-level user page table page + * pte_free - free PTE-level user page table memory * @mm: the mm_struct of the current context - * @pte_page: the `struct page` representing the page table + * @pte_page: the `struct page` referencing the ptdesc */ static inline void pte_free(struct mm_struct *mm, struct page *pte_page) { - pgtable_pte_page_dtor(pte_page); - __free_page(pte_page); + struct ptdesc *ptdesc =3D page_ptdesc(pte_page); + + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } =20 =20 @@ -107,10 +114,11 @@ static inline void pte_free(struct mm_struct *mm, str= uct page *pte_page) =20 #ifndef __HAVE_ARCH_PMD_ALLOC_ONE /** - * pmd_alloc_one - allocate a page for PMD-level page table + * pmd_alloc_one - allocate memory for a PMD-level page table * @mm: the mm_struct of the current context * - * Allocates a page and runs the pgtable_pmd_page_ctor(). + * Allocate memory for a page table and ptdesc and runs pagetable_pmd_ctor= (). + * * Allocations use %GFP_PGTABLE_USER in user context and * %GFP_PGTABLE_KERNEL in kernel context. * @@ -118,28 +126,30 @@ static inline void pte_free(struct mm_struct *mm, str= uct page *pte_page) */ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long add= r) { - struct page *page; + struct ptdesc *ptdesc; gfp_t gfp =3D GFP_PGTABLE_USER; =20 if (mm =3D=3D &init_mm) gfp =3D GFP_PGTABLE_KERNEL; - page =3D alloc_page(gfp); - if (!page) + ptdesc =3D pagetable_alloc(gfp, 0); + if (!ptdesc) return NULL; - if (!pgtable_pmd_page_ctor(page)) { - __free_page(page); + if (!pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } - return (pmd_t *)page_address(page); + return ptdesc_address(ptdesc); } #endif =20 #ifndef __HAVE_ARCH_PMD_FREE static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { + struct ptdesc *ptdesc =3D virt_to_ptdesc(pmd); + BUG_ON((unsigned long)pmd & (PAGE_SIZE-1)); - pgtable_pmd_page_dtor(virt_to_page(pmd)); - free_page((unsigned long)pmd); + pagetable_pmd_dtor(ptdesc); + pagetable_free(ptdesc); } #endif =20 @@ -150,19 +160,25 @@ static inline void pmd_free(struct mm_struct *mm, pmd= _t *pmd) static inline pud_t *__pud_alloc_one(struct mm_struct *mm, unsigned long a= ddr) { gfp_t gfp =3D GFP_PGTABLE_USER; + struct ptdesc *ptdesc; =20 if (mm =3D=3D &init_mm) gfp =3D GFP_PGTABLE_KERNEL; - return (pud_t *)get_zeroed_page(gfp); + gfp &=3D ~__GFP_HIGHMEM; + + ptdesc =3D pagetable_alloc(gfp, 0); + if (!ptdesc) + return NULL; + return ptdesc_address(ptdesc); } =20 #ifndef __HAVE_ARCH_PUD_ALLOC_ONE /** - * pud_alloc_one - allocate a page for PUD-level page table + * pud_alloc_one - allocate memory for a PUD-level page table * @mm: the mm_struct of the current context * - * Allocates a page using %GFP_PGTABLE_USER for user context and - * %GFP_PGTABLE_KERNEL for kernel context. + * Allocate memory for a page table using %GFP_PGTABLE_USER for user conte= xt + * and %GFP_PGTABLE_KERNEL for kernel context. * * Return: pointer to the allocated memory or %NULL on error */ @@ -175,7 +191,7 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm= , unsigned long addr) static inline void __pud_free(struct mm_struct *mm, pud_t *pud) { BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); - free_page((unsigned long)pud); + pagetable_free(virt_to_ptdesc(pud)); } =20 #ifndef __HAVE_ARCH_PUD_FREE @@ -190,7 +206,7 @@ static inline void pud_free(struct mm_struct *mm, pud_t= *pud) #ifndef __HAVE_ARCH_PGD_FREE static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - free_page((unsigned long)pgd); + pagetable_free(virt_to_ptdesc(pgd)); } #endif =20 --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259262; cv=none; d=zohomail.com; s=zohoarc; b=Yh2FBt34BSacoyPp5NlkfAP8TSw14x+6J0hNaFrBwiGqm5g30bxYhG+rXwGfKh7q/pmvNc8sSP9wx1vn2u/u5GfptmMy4AKzXROeICXFG45HGYkmJ1m1t7PJCG+Ketq3jBZgK+g8H1QIaPbGDOv+LnHYjQ12oFJGBcH/nc1E5Ng= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259262; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=jHkn+4hWn6cNWfQmftBQOtWQYQb9iJJIYcRZZNmu6iY=; b=cx5H4wQW1RxJXkJM0Y92qWEuiiduRelbxpj6VIbyihLkh3XYmr33WI4Gz5U/CVz29Ov4Vira4L65sPBIOZO1MovDqruC+ZSVBeIU2nl+T7RnjTndyYuB8mAdvgTfZA7D8QfNX14qmx7meOo0MJ9LXygQONkzCI0LetJtrmKpK2Y= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259262340123.99542295620574; Mon, 24 Jul 2023 21:27:42 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569386.889993 (Exim 4.92) (envelope-from ) id 1qO9dr-0003rr-I7; Tue, 25 Jul 2023 04:27:23 +0000 Received: by outflank-mailman (output) from mailman id 569386.889993; Tue, 25 Jul 2023 04:27:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dr-0003nr-8t; Tue, 25 Jul 2023 04:27:23 +0000 Received: by outflank-mailman (input) for mailman id 569386; Tue, 25 Jul 2023 04:27:21 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YP-00023t-EL for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:45 +0000 Received: from mail-yb1-xb2d.google.com (mail-yb1-xb2d.google.com [2607:f8b0:4864:20::b2d]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id c24a892a-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:43 +0200 (CEST) Received: by mail-yb1-xb2d.google.com with SMTP id 3f1490d57ef6-d129edb8261so1958186276.1 for ; Mon, 24 Jul 2023 21:21:43 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:41 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c24a892a-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258902; x=1690863702; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jHkn+4hWn6cNWfQmftBQOtWQYQb9iJJIYcRZZNmu6iY=; b=YmaPL1Vi+BQChOKWGw1MlFqz3AIULFncYrkFnUsVyfilrIdeasoH5GHm0MEpRXKgmq DwC9KwXiAQ3MN8gwuAbymt06/p5z+8sYZZRmtF0QZ8N7W0KJLZlIdtmS/iEXcHfRR9pY 2ULSywNr2+fCENRH3Q/SedxdAZmlqvHkU4bXO0Iy6mLyj0C0e7FNRd96oXnepKXsjgBp DVfpoX3+8pHS5yXYZY0DswmNPSsrKwOikBQLnb77xz8k9ebKbrK+QxqOENWwGszD02R4 u3nvQUFC/AuDK1NFsePOhCwUQCv2T+yjXJkyc6tTHY68z6Qz4nIbLO6jQDPO+Xjl6VQM RJag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258902; x=1690863702; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jHkn+4hWn6cNWfQmftBQOtWQYQb9iJJIYcRZZNmu6iY=; b=LWcKL8HIl7BidB2ODq0sEyzbPzhPZKo3eKoMZxNo9KfqCX7t4p23afpcMnyfZS0sMp YDSb3oxGbp7fPF/VXENpTzToD2AyuoHU7FYbQFhPcKib+CAVmtjD7HVMjKdRT7cjX4Y0 dSX7ccO6Y7f93bOGELBoBreVdu0EkGwOpZqS51/0rH/HlLYKuon0l+Gl+3Qv6pLxaWGE 9Jd0P9HLfn/WGCGWBaa8g08p/oK+AlTZXB8qlyikBxPSvxIGo1eD/lR3sh0FqNDLRPhb s7Ad8nbYT11bNhNkdwnPqPWTGX3++mXBnvCbYV4bWuQLwEwLvUp+LdV719yRU1eDtleC E8nw== X-Gm-Message-State: ABy/qLZgoqmfcGvR5/o9CsWzgoWyS/menafkyEryB/ejNKbd3uimW/FV BXCa1yNJdGbHHkUR99GJ4SI= X-Google-Smtp-Source: APBJJlF19R+0iLSXwcqdh2p0QPj8gjsaDLf4/piQLSANpJDw+A6xil+mrxUfv/BGU2XCVUHQZlpYDQ== X-Received: by 2002:a25:dbce:0:b0:bcf:e2a6:7085 with SMTP id g197-20020a25dbce000000b00bcfe2a67085mr1287878ybf.23.1690258902247; Mon, 24 Jul 2023 21:21:42 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Catalin Marinas , Mike Rapoport Subject: [PATCH mm-unstable v7 17/31] arm: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:37 -0700 Message-Id: <20230725042051.36691-18-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259264388100001 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. late_alloc() also uses the __get_free_pages() helper function. Convert this to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/arm/include/asm/tlb.h | 12 +++++++----- arch/arm/mm/mmu.c | 7 ++++--- 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index b8cbe03ad260..f40d06ad5d2a 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -39,7 +39,9 @@ static inline void __tlb_remove_table(void *_table) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); + struct ptdesc *ptdesc =3D page_ptdesc(pte); + + pagetable_pte_dtor(ptdesc); =20 #ifndef CONFIG_ARM_LPAE /* @@ -50,17 +52,17 @@ __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, u= nsigned long addr) __tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE); #endif =20 - tlb_remove_table(tlb, pte); + tlb_remove_ptdesc(tlb, ptdesc); } =20 static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { #ifdef CONFIG_ARM_LPAE - struct page *page =3D virt_to_page(pmdp); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pmdp); =20 - pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + pagetable_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); #endif } =20 diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 13fc4bb5f792..fdeaee30d167 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -737,11 +737,12 @@ static void __init *early_alloc(unsigned long sz) =20 static void *__init late_alloc(unsigned long sz) { - void *ptr =3D (void *)__get_free_pages(GFP_PGTABLE_KERNEL, get_order(sz)); + void *ptdesc =3D pagetable_alloc(GFP_PGTABLE_KERNEL & ~__GFP_HIGHMEM, + get_order(sz)); =20 - if (!ptr || !pgtable_pte_page_ctor(virt_to_page(ptr))) + if (!ptdesc || !pagetable_pte_ctor(ptdesc)) BUG(); - return ptr; + return ptdesc_to_virt(ptdesc); } =20 static pte_t * __init arm_pte_alloc(pmd_t *pmd, unsigned long addr, --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259271; cv=none; d=zohomail.com; s=zohoarc; b=YI9P1HF9t0sKj9i1nBvqUows9spqIT2NOyfHhlcxDveCL3nr6/ET8S6Nnchwc5C5AemW/feNi/lJ4XiD4XJwCfQqxefTWlb+hC9+JmBsWFxsHDdcfmgBF/jqs44u0z1sXmlnXWR5jital0lr1ZKsxBt5+Io0sMHIeMJheHxAFyE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259271; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=1W6z1I6yvWrQZbHmgHYBEGZZDstSbvELOPET/EcKlKw=; b=BYyhVG4fos7iie4D552r48ltWtTozEGcQRxYKq1PJoPigANcLjWywGeFxFLpWzUAbEf17hH+wBIBnbZ5ei30gNhCGIYyuuijJoznVCTTjXfb8nLCp5raQ825nufAm8H3tC/YIvWUG2Y+8WittEWZnzXml43vxzEVJS/od5jQxrg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259271169124.69072613645699; Mon, 24 Jul 2023 21:27:51 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569392.890024 (Exim 4.92) (envelope-from ) id 1qO9du-0004cM-DO; Tue, 25 Jul 2023 04:27:26 +0000 Received: by outflank-mailman (output) from mailman id 569392.890024; Tue, 25 Jul 2023 04:27:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dt-0004YS-OG; Tue, 25 Jul 2023 04:27:25 +0000 Received: by outflank-mailman (input) for mailman id 569392; Tue, 25 Jul 2023 04:27:23 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YQ-0002Iw-21 for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:46 +0000 Received: from mail-yb1-xb2d.google.com (mail-yb1-xb2d.google.com [2607:f8b0:4864:20::b2d]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id c3878c7a-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:45 +0200 (CEST) Received: by mail-yb1-xb2d.google.com with SMTP id 3f1490d57ef6-c01e1c0402cso4250067276.0 for ; Mon, 24 Jul 2023 21:21:45 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:44 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c3878c7a-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258904; x=1690863704; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=1W6z1I6yvWrQZbHmgHYBEGZZDstSbvELOPET/EcKlKw=; b=llZNAcL5ycBFvzQAJZ6/7pTtXuYWij53XzPtouHMRbZn6leKQwmdyrNb7ZQDIKMG1m dR4kHDNfHjwFzi7thvuqMg/yyonddaX76H366KbzQfr0mkb337gkTgeXtW8fYA7C7vgk 0JX1efxIqLTVNU9f3lKJPAHDACzn61fxVyoRKEpyP8P7ERItPl34MD7TyhY45+GL16eR 5mEH9l98a4BvtK/z9rHYNj8+yyPV+LgacWgOs4WnwTXzC4ltuUCUEGWdaUuvQRw4+9rt VkJRX5ILuNF3nkwEu0MY2t+Msy6Bxfzl0kRhh6mJAuamIH8rB6hnYqiG0nMAmPPj+VFo IfmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258904; x=1690863704; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1W6z1I6yvWrQZbHmgHYBEGZZDstSbvELOPET/EcKlKw=; b=PAuL24taXBY/gIM7FCGejFt7500ey6F8hO+D1gJmMeQHccQKc35ryoSGaHz8utcpRj mk28UAgq2vQy+ZV+f8Ud00M4YcVD9mAPLscpF0F6g6HheE0ZKPrG1f6ww5NQbklgpewq JSwK5Dq09UejC/6EKNIvmz7QftUCkSRvu1CnR2haQpvzHGsWhg34rze5hLPrNqHgT4Z1 ulGa4Ll8qOm3abO7y7r0xQeRXuui91MQDOm6sUVEwqYrfiE5AfMqxf0gLBGJv+0KuDnN Uj+xHEeghNH08jvatedRDqivpx0o7A2AUyLG2BFqYw5o/CGmRXBRhYUjIjKP5Wr1EYlc 59Ww== X-Gm-Message-State: ABy/qLYlJqhKYI73wcVs3aNNBfe/z+hobDmXL6FY6MdPZEkcIq97k5WG +zF1Hrsi6yFlaLNzKWegKv8= X-Google-Smtp-Source: APBJJlHNukUfyrx8d4ygarvYMYKc0qsL214/d3tYWYQLTsgvH0ZFNOJIIblBNYsFgmKRmFutGU4Hyg== X-Received: by 2002:a25:cc4f:0:b0:d08:50cc:4733 with SMTP id l76-20020a25cc4f000000b00d0850cc4733mr5932948ybf.45.1690258904372; Mon, 24 Jul 2023 21:21:44 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport , Catalin Marinas Subject: [PATCH mm-unstable v7 18/31] arm64: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:38 -0700 Message-Id: <20230725042051.36691-19-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259272492100001 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) Acked-by: Catalin Marinas --- arch/arm64/include/asm/tlb.h | 14 ++++++++------ arch/arm64/mm/mmu.c | 7 ++++--- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index c995d1f4594f..2c29239d05c3 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -75,18 +75,20 @@ static inline void tlb_flush(struct mmu_gather *tlb) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); - tlb_remove_table(tlb, pte); + struct ptdesc *ptdesc =3D page_ptdesc(pte); + + pagetable_pte_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } =20 #if CONFIG_PGTABLE_LEVELS > 2 static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { - struct page *page =3D virt_to_page(pmdp); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pmdp); =20 - pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + pagetable_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #endif =20 @@ -94,7 +96,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb,= pmd_t *pmdp, static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp, unsigned long addr) { - tlb_remove_table(tlb, virt_to_page(pudp)); + tlb_remove_ptdesc(tlb, virt_to_ptdesc(pudp)); } #endif =20 diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 95d360805f8a..47781bec6171 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -426,6 +426,7 @@ static phys_addr_t __pgd_pgtable_alloc(int shift) static phys_addr_t pgd_pgtable_alloc(int shift) { phys_addr_t pa =3D __pgd_pgtable_alloc(shift); + struct ptdesc *ptdesc =3D page_ptdesc(phys_to_page(pa)); =20 /* * Call proper page table ctor in case later we need to @@ -433,12 +434,12 @@ static phys_addr_t pgd_pgtable_alloc(int shift) * this pre-allocated page table. * * We don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK if pmd is - * folded, and if so pgtable_pmd_page_ctor() becomes nop. + * folded, and if so pagetable_pte_ctor() becomes nop. */ if (shift =3D=3D PAGE_SHIFT) - BUG_ON(!pgtable_pte_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pte_ctor(ptdesc)); else if (shift =3D=3D PMD_SHIFT) - BUG_ON(!pgtable_pmd_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pmd_ctor(ptdesc)); =20 return pa; } --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259264; cv=none; d=zohomail.com; s=zohoarc; b=TS5QsVvN0NCe7Cbl4y8rB2dlq6y2cblo7n5NxGaQn74bf8BBXCmJf6vWnJbjDTaq4bOWC0dqyfhxaDx/dQW60F2pk20PIGTjCeaTPfLNn5a/gchtuh37RmA+2iqUZKAVng9860hX7tuQOM+yUPu7PE34Zds/2rMHbW1SuLeRtIs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259264; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=/CuYJ7liBLmFxtlpmCAIL/qtog0vkZLk1dVk72P32nA=; b=UKUHORDj68mnyb10GiefPE70Y+jMywRraNkhcikdAuBNzUDIvR34omGz2i7DhPBVJoY4GxSpjBjBWWofDLY2DhsK8Oy9wmG8LDl1ROAAOdEF/r2XYueM1dHo8uS+u0O5DPpYwl89COWo6HTyFn7wAm8LKq2oBxQlwkxFxh2Zd5U= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259264931720.1091715135611; Mon, 24 Jul 2023 21:27:44 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569390.890001 (Exim 4.92) (envelope-from ) id 1qO9ds-0003wx-3T; Tue, 25 Jul 2023 04:27:24 +0000 Received: by outflank-mailman (output) from mailman id 569390.890001; Tue, 25 Jul 2023 04:27:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dr-0003vn-OF; Tue, 25 Jul 2023 04:27:23 +0000 Received: by outflank-mailman (input) for mailman id 569390; Tue, 25 Jul 2023 04:27:22 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YT-0002Iw-DS for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:49 +0000 Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [2607:f8b0:4864:20::b2c]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id c581a0a2-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:48 +0200 (CEST) Received: by mail-yb1-xb2c.google.com with SMTP id 3f1490d57ef6-d129edb8261so1958251276.1 for ; Mon, 24 Jul 2023 21:21:48 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:47 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c581a0a2-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258908; x=1690863708; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/CuYJ7liBLmFxtlpmCAIL/qtog0vkZLk1dVk72P32nA=; b=isSLzJlVCcu3DqkromZhEI/qWyA5zzmxG1x9IbP6194I1DKOByM/hDEPdxe0FV3MLw d6Rw+lHZ9WlgptdvBWiFzGMaM6KUoRlGp3xu2jda8iMy45KiL59BtGKHYho8dHuVUxG+ hJLuMObqibUKBJwga6VwRPSAoh79vGoLNGxF2cxBKo1aHJdauK67/yOhDfLuLDKzblyJ F0wgtxLKGut1KlZ4xgsSxueuM+T0O4hKbp6cFWk4PiHYX5rGa1VxC3c5t+U93CbfreQA BhDLct+PPc5ibyvQ9RmPu/T+BvIQhbpSiLzGAmfokkxsUZTkKg3EAjaoANJECHoNxZLs xbZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258908; x=1690863708; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/CuYJ7liBLmFxtlpmCAIL/qtog0vkZLk1dVk72P32nA=; b=QF0UD9785MqjvOX+J6gWWGtK68tazYUWxEO2tWFaD7+eFJz4BelP1G3fJKpSdB5Ry+ QD63rnJV1J7HW5eH1imtL2IvfpZEZGoCZEp9dazlSbKmXEezZg70uGKs+/8Q7BZW2Y/J Tu216Cs+uw4Sish9whTytnj0lDZhhDoiR7Je/KIWFffGTho9hgIlJjBllCZcWvPllB51 QYy3hsKvgMEvcfM43dprMQ85YR5dVpHkvTsyjSl7OuOloxHGZ+M1yxQu8GP0c3iMaB6Q MyJ2cETv9t/ZENKvJcAavDTT3LTtwJ3Faugg79lNeozKeCZGra9CwhS3lcuuHd4P2DFe 1xgw== X-Gm-Message-State: ABy/qLaJ9Q0KJhEDaxZc0sWVFetIVqLBSckSp9vh1Iq5fYNfxVd+xxkI GmSHBhhznVzVDdnvGdcfvZk= X-Google-Smtp-Source: APBJJlE3eJKl34GJI9esPlRffLNepF5AyEOkc7MEH4MKJMttiyYPB1pXgCmUyzmySa6Xjpm5Cuhodw== X-Received: by 2002:a25:b08a:0:b0:d07:1a89:2e73 with SMTP id f10-20020a25b08a000000b00d071a892e73mr1367996ybj.28.1690258907697; Mon, 24 Jul 2023 21:21:47 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Guo Ren , Mike Rapoport Subject: [PATCH mm-unstable v7 19/31] csky: Convert __pte_free_tlb() to use ptdescs Date: Mon, 24 Jul 2023 21:20:39 -0700 Message-Id: <20230725042051.36691-20-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259266366100004 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) Acked-by: Guo Ren Acked-by: Mike Rapoport (IBM) --- arch/csky/include/asm/pgalloc.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/csky/include/asm/pgalloc.h b/arch/csky/include/asm/pgallo= c.h index 7d57e5da0914..9c84c9012e53 100644 --- a/arch/csky/include/asm/pgalloc.h +++ b/arch/csky/include/asm/pgalloc.h @@ -63,8 +63,8 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) =20 #define __pte_free_tlb(tlb, pte, address) \ do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page(tlb, pte); \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc(tlb, page_ptdesc(pte)); \ } while (0) =20 extern void pagetable_init(void); --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259266; cv=none; d=zohomail.com; s=zohoarc; b=MMej6oNs2HXlXpANjyWWghiK4su6ZompHMPnY/9vJJgJhl9UB9vGPE80R8NOKT/vOqwzzMo+CG4Ojb2P9+DZhUcWlsogwIkT4AGpjw8D5pl/oygYMJlVXALjboIureo7hfwy2/gBFs7flEI4J1LV3sKYyR5oTtgtgiGqnup3fQQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259266; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=aUnc1suNAj/KzreaB6s7vAsOWiJZx3FNBLzDbQjj/SU=; b=MY8o5AaMW45+hS+xc7pvU7gCScp0jv6AnUD1RLSHxmhFeuTHvKZ6d8key5Ehpzutj3zY6Z6GjyMykF9lbRS04d3gV1m1+8KabCVHeYuSXxDpR70di/rlQ2YNfz7YkcLJPlKPV0RZdqRtAJOx6GNSz8k7QOrlmY4e/wP35/KfAzw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259266267672.3700934739633; Mon, 24 Jul 2023 21:27:46 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569381.889961 (Exim 4.92) (envelope-from ) id 1qO9dp-0003Ch-DJ; Tue, 25 Jul 2023 04:27:21 +0000 Received: by outflank-mailman (output) from mailman id 569381.889961; Tue, 25 Jul 2023 04:27:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dp-0003CV-7f; Tue, 25 Jul 2023 04:27:21 +0000 Received: by outflank-mailman (input) for mailman id 569381; Tue, 25 Jul 2023 04:27:20 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YW-00023t-Gf for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:52 +0000 Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [2607:f8b0:4864:20::b2c]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id c6c40f70-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:51 +0200 (CEST) Received: by mail-yb1-xb2c.google.com with SMTP id 3f1490d57ef6-d066d72eb12so4536318276.1 for ; Mon, 24 Jul 2023 21:21:50 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:49 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c6c40f70-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258910; x=1690863710; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=aUnc1suNAj/KzreaB6s7vAsOWiJZx3FNBLzDbQjj/SU=; b=f6oxEdexqW7t8O18O1zlBzEMy1/ySz1lSWwZIgvC+6ZdC+AQVNOOjrUGsL3n8z9yLs jC/oIvWOegKfTXKYCqEjhGYC8DO1R1+qqiiOoaRmFe+GV40qDgP7vCBrkhQ8/QoelGjZ 6zYUNV4SeVX24QIWi1/OsGEJx1KydkZGoq9ape10nJTNyMWr+pQqOvmxVzCb+3U9sgmC ze1LeRMHMeTo2LxUzcGxr55PmnWGKX2eITQpSi6L0WDbS9ycLs9Jos/2PAo+dLuVd9aS LiJCpXRUIDud7YKdN1pv+EIwqPuZ42v47LQ3yS2kQDdlx8gJ3/GU5UxByOmc+boocCVB ZyIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258910; x=1690863710; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aUnc1suNAj/KzreaB6s7vAsOWiJZx3FNBLzDbQjj/SU=; b=jqC6l07dy62O7Jv5s0xZDVJ6TETyoX8RnDVKi2NdlYjPSAb4CATfC/Aqb4ha9woHIg pCRjj8GROwJTzmoNYrAWoUytCjdVh5+aQVfWKaxqosHRkjyhPnn0wvu5znToUOPDMIBQ b5kPKr1959i17EGUFsJ86yS8Gk7NvKsHpst7w8QigAMyoJkE06+LPdHCsM5ryOiPCvJL Ut/LxgYp9RGY1v4dV2teP7CXeDBCUwQQoolHB0hiLNbaQ1sWX9kVW5zuc+DSbKvVaYU4 rQeGKLGjS+BvtBj9yhAB6m6kmkX86JNeISyO3KysV/IPkhPwj1jn6FCl6o4VDhL2y+tQ Fa/g== X-Gm-Message-State: ABy/qLbV604YmjmLu65zqUmTlCAAW94Y32KZsAb04jpIVeJsSEBz92Ag 31QQf3xk4uoaiONTls8UozE= X-Google-Smtp-Source: APBJJlE5+Qlh5eptk2IDiumLzwzdgKuW8E4L+dGkDhCtXpTjXCpZJt13f1YzsO4C3URc73BGKhlHpg== X-Received: by 2002:a25:6814:0:b0:d0a:3876:a22a with SMTP id d20-20020a256814000000b00d0a3876a22amr1377987ybc.4.1690258909714; Mon, 24 Jul 2023 21:21:49 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 20/31] hexagon: Convert __pte_free_tlb() to use ptdescs Date: Mon, 24 Jul 2023 21:20:40 -0700 Message-Id: <20230725042051.36691-21-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259267776100008 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/hexagon/include/asm/pgalloc.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/= pgalloc.h index f0c47e6a7427..55988625e6fb 100644 --- a/arch/hexagon/include/asm/pgalloc.h +++ b/arch/hexagon/include/asm/pgalloc.h @@ -87,10 +87,10 @@ static inline void pmd_populate_kernel(struct mm_struct= *mm, pmd_t *pmd, max_kernel_seg =3D pmdindex; } =20 -#define __pte_free_tlb(tlb, pte, addr) \ -do { \ - pgtable_pte_page_dtor((pte)); \ - tlb_remove_page((tlb), (pte)); \ +#define __pte_free_tlb(tlb, pte, addr) \ +do { \ + pagetable_pte_dtor((page_ptdesc(pte))); \ + tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ } while (0) =20 #endif --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259274; cv=none; d=zohomail.com; s=zohoarc; b=AZEhKrIXIN4UGeM0HCtiOyq9dierI4Fnds0O39oLUoHnJgToSg8H8jUMCdgFdtrwhGRHNaP5NwfIWJYFeKlyNPOw38++9oaElTLhjfQlq9P9pTrVi3iz3SJ4OjPTdF/OzoB8k8s408+Jxi595xbk1Ka37qDzjqMyNunRrloLLB4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259274; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=pBiyp2dfMpzV+NvCt1JbKOh6Ic1GEYp83948mVxRzoc=; b=KSjFNsmj2OVvIW4ytUWO5KHsmj0jk+D5qGOp6Vsd+DeVJY4mWeTaZY6JfcEDCB84/x7Nw073eI6fGUIrpK9Nn2B0VXWcntUQpHc2waLNpqUOPEdJBTXINOYcJaZ8JVgJMLdAglVw/ASsKe8lKs3JUhdMY7tA+rK3sYvimJ5BnzY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 169025927408144.11569467015238; Mon, 24 Jul 2023 21:27:54 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569399.890077 (Exim 4.92) (envelope-from ) id 1qO9e1-0006fq-SO; Tue, 25 Jul 2023 04:27:33 +0000 Received: by outflank-mailman (output) from mailman id 569399.890077; Tue, 25 Jul 2023 04:27:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9e1-0006da-Ie; Tue, 25 Jul 2023 04:27:33 +0000 Received: by outflank-mailman (input) for mailman id 569399; Tue, 25 Jul 2023 04:27:31 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YY-00023t-Ev for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:54 +0000 Received: from mail-yb1-xb2e.google.com (mail-yb1-xb2e.google.com [2607:f8b0:4864:20::b2e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id c7e7db0a-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:21:52 +0200 (CEST) Received: by mail-yb1-xb2e.google.com with SMTP id 3f1490d57ef6-d10354858e8so1903927276.2 for ; Mon, 24 Jul 2023 21:21:52 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:51 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c7e7db0a-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258912; x=1690863712; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=pBiyp2dfMpzV+NvCt1JbKOh6Ic1GEYp83948mVxRzoc=; b=M6jRKuivh8zjiemd5A6uxigxJohHpad42drXAXZPo/WrWX/VH06lIJBZPBsy6q5WUU sx0lJdOkpQ0kaLkBOuxv3JTr0MrJ9mxzZ+UUwF+trvlZXj+IJfJxZEoLsbjBtENoOnKp r4LPLa1pA9aLy86FefeD5kRctnKeFj9h3GxRlhN5hCXqNjunVSlk6MQa/3J7EWf+g7LP GgIUvItIu349rIBsGC+5p4KYn28jcwcdvYVyudYGHQ4Rpe+/D34t/jp9N4BHJAtnbKCw qFN4cKxe4NHkjK6LRf9V/I6F5RMPandO1u3QcQV36zYYu50WN177HZ6ueUgU7U2rKCNZ UtKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258912; x=1690863712; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=pBiyp2dfMpzV+NvCt1JbKOh6Ic1GEYp83948mVxRzoc=; b=B0crBQudQdmm6ZbxLHArNEKMln5NK4LJKCiy/ht0JMfczdnWKWGzoqe1NBGuRjwsXU 8N/0yRYFS/RuUrn4D/ETIiPrEN6gBKhBcigtNSu4sribQx8mZxNX2jIMUDgOydL5oaPz eA2UrbXXQQBA/fIIomv5KnWKG9ekRTRfvyKukLNpIqbpJZaeQQoe/Hw3fMXxoboR+MHz WaAHNupAaoQFZjRh7FPRd3dXL5uk/uVaEo11I7adH/CB/MR2d50YU4y0BrEpxKRZN5S5 55Ox509eJRMUUsViwuajeXXrz5D86jeGkqp2EODd43dzd8tNm8Fu0upWRSo3GDhfsS21 Vk6g== X-Gm-Message-State: ABy/qLYjBuIM4lFjjBx3GcI09haUcBjc6b+/k9pZ7WbA/1NNDjlml2i4 JBs9DmBsmJHOLLMYMY1K3bY= X-Google-Smtp-Source: APBJJlHmWGng2mD7r+HORvYbViNahHExZyfg9AnaCMkhuF9zAe2z+T72MtBm8rxbTIBepY55dKGlDw== X-Received: by 2002:a25:2547:0:b0:d0b:f845:c831 with SMTP id l68-20020a252547000000b00d0bf845c831mr5748800ybl.13.1690258911713; Mon, 24 Jul 2023 21:21:51 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Huacai Chen , Mike Rapoport Subject: [PATCH mm-unstable v7 21/31] loongarch: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:41 -0700 Message-Id: <20230725042051.36691-22-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259275689100007 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/loongarch/include/asm/pgalloc.h | 27 +++++++++++++++------------ arch/loongarch/mm/pgtable.c | 7 ++++--- 2 files changed, 19 insertions(+), 15 deletions(-) diff --git a/arch/loongarch/include/asm/pgalloc.h b/arch/loongarch/include/= asm/pgalloc.h index af1d1e4a6965..23f5b1107246 100644 --- a/arch/loongarch/include/asm/pgalloc.h +++ b/arch/loongarch/include/asm/pgalloc.h @@ -45,9 +45,9 @@ extern void pagetable_init(void); extern pgd_t *pgd_alloc(struct mm_struct *mm); =20 #define __pte_free_tlb(tlb, pte, address) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte)); \ } while (0) =20 #ifndef __PAGETABLE_PMD_FOLDED @@ -55,18 +55,18 @@ do { \ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long add= ress) { pmd_t *pmd; - struct page *pg; + struct ptdesc *ptdesc; =20 - pg =3D alloc_page(GFP_KERNEL_ACCOUNT); - if (!pg) + ptdesc =3D pagetable_alloc(GFP_KERNEL_ACCOUNT, 0); + if (!ptdesc) return NULL; =20 - if (!pgtable_pmd_page_ctor(pg)) { - __free_page(pg); + if (!pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } =20 - pmd =3D (pmd_t *)page_address(pg); + pmd =3D ptdesc_address(ptdesc); pmd_init(pmd); return pmd; } @@ -80,10 +80,13 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm= , unsigned long address) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long add= ress) { pud_t *pud; + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0); =20 - pud =3D (pud_t *) __get_free_page(GFP_KERNEL); - if (pud) - pud_init(pud); + if (!ptdesc) + return NULL; + pud =3D ptdesc_address(ptdesc); + + pud_init(pud); return pud; } =20 diff --git a/arch/loongarch/mm/pgtable.c b/arch/loongarch/mm/pgtable.c index 36a6dc0148ae..5bd102b51f7c 100644 --- a/arch/loongarch/mm/pgtable.c +++ b/arch/loongarch/mm/pgtable.c @@ -11,10 +11,11 @@ =20 pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *ret, *init; + pgd_t *init, *ret =3D NULL; + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0); =20 - ret =3D (pgd_t *) __get_free_page(GFP_KERNEL); - if (ret) { + if (ptdesc) { + ret =3D (pgd_t *)ptdesc_address(ptdesc); init =3D pgd_offset(&init_mm, 0UL); pgd_init(ret); memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259283; cv=none; d=zohomail.com; s=zohoarc; b=ZyH633RyU+ehPQ8NQ5yojiDKYENegLHcNaOE2Ptq58PCnS1hYzNoohrr3ht5p10SSEV1trQDHJhoKbkq0GZhaupGNriClaXT9PmJHaBfR1Xw/iVvBamaoDf6eMbl8FM1POJ5bgG2NoqrspP4AHWAic/AdawiGDsLkGOyV+lOELg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259283; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=PAg5qbCpsu4QeXC2CiYcNVSx9jEaugPagVbNncebk84=; b=X/umtfcppBXt4jk6O+RccQHR1EDdxZQkGBWTTikmy3BJQAT4eoz63+XK6md9ySZUK8uGvoNqRS6+YqeICwtJNbc0BcPNmD35SBXzDGis7QQX54QtYUT/r2f1emrRS/OZGdxoXs6QtuGde2eyq0QgmvJWd2rDGnPOLJKaas8Z3pI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 16902592832571010.4340011793146; Mon, 24 Jul 2023 21:28:03 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569406.890099 (Exim 4.92) (envelope-from ) id 1qO9e8-0008C6-6M; Tue, 25 Jul 2023 04:27:40 +0000 Received: by outflank-mailman (output) from mailman id 569406.890099; Tue, 25 Jul 2023 04:27:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9e7-00084T-RI; Tue, 25 Jul 2023 04:27:39 +0000 Received: by outflank-mailman (input) for mailman id 569406; Tue, 25 Jul 2023 04:27:37 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9YZ-0002Iw-IQ for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:55 +0000 Received: from mail-yb1-xb34.google.com (mail-yb1-xb34.google.com [2607:f8b0:4864:20::b34]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id c9304b30-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:55 +0200 (CEST) Received: by mail-yb1-xb34.google.com with SMTP id 3f1490d57ef6-bff89873d34so4241245276.2 for ; Mon, 24 Jul 2023 21:21:54 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:53 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c9304b30-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258914; x=1690863714; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=PAg5qbCpsu4QeXC2CiYcNVSx9jEaugPagVbNncebk84=; b=PXib1CaoeptK69/6qIILztnTaPIyTv5YQR6TlThXrcj/XpnovRKNC9dRvmGTlMVJ+Y 8clpfWi14Fbd16+bMMcIRSu1RjPFhxm0HGFSqSbVNLXv71Rm3nby7GTQmmhFhxR6Fe4W a+uFGPq1sDojuKpfGHqkLm54qltGyV31LmZTGF+k48o1qYH0m7DJawnWKwrZ6fgwSg9U SkV3boxZmuDGmlSDQsQA0yQXTmRpMU2gDvzpay51JFwtkFxUR2TcnLVayYqi4qXpl0OW +6iL34M/ESeTyP1F7hG3vKsG74iuD4sY6ImSrnr2BOLiIrK5HdmfLQg1v5h+YsRalPF6 ymFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258914; x=1690863714; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PAg5qbCpsu4QeXC2CiYcNVSx9jEaugPagVbNncebk84=; b=cxM4oXNAgJnnaRQFOBvJyFh/6elCVLgcwDQMkbdaOHyP08dmCTfPRveN4PhxiB7n4v ZtLXOsoEXcs5+qIsq5avx3XwU1A1BSteOeeTIEFa/Wz/s/gSQ2zHXmuysjL/RLfTN3mI GuPKL/K8P56pBZCtjt1B/dZUS1tBF29XU7hnbJm9iOasRNW0ZYunZ+aeaCMMFjJbnw2s Oa2hx2xQ1GPNNN/HB5ailiVekfWLykrXoKXDKIYc/KnCoc6hqHUT/cp/Tm9+aj15lGPq 83bQYS6ZBlRkuxoLqlYQ3gaRQ12fcGa/DmNqaPMMT1cwC84GOX0YgeTvntGNfTX6I71b bYhg== X-Gm-Message-State: ABy/qLa0Ofk8WHWvYaysf0tTN1SBJd3Zz9jlk0J+nkvjIHtdBZ7dkan/ Xq9KKn9prxFHKNCX7JDivJA= X-Google-Smtp-Source: APBJJlHF/0iqvuKN3GeuQCQLqa/Csn12p4p6+Y/7f8hKrU53tH/yWNA7sehk6j4tDPYcgh4VwiCADg== X-Received: by 2002:a25:d57:0:b0:d06:7064:5209 with SMTP id 84-20020a250d57000000b00d0670645209mr6311982ybn.22.1690258913820; Mon, 24 Jul 2023 21:21:53 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport , Geert Uytterhoeven Subject: [PATCH mm-unstable v7 22/31] m68k: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:42 -0700 Message-Id: <20230725042051.36691-23-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259283775100003 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) Acked-by: Geert Uytterhoeven --- arch/m68k/include/asm/mcf_pgalloc.h | 47 ++++++++++++++-------------- arch/m68k/include/asm/sun3_pgalloc.h | 8 ++--- arch/m68k/mm/motorola.c | 4 +-- 3 files changed, 30 insertions(+), 29 deletions(-) diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mc= f_pgalloc.h index 5c2c0a864524..302c5bf67179 100644 --- a/arch/m68k/include/asm/mcf_pgalloc.h +++ b/arch/m68k/include/asm/mcf_pgalloc.h @@ -5,22 +5,22 @@ #include #include =20 -extern inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { - free_page((unsigned long) pte); + pagetable_free(virt_to_ptdesc(pte)); } =20 extern const char bad_pmd_string[]; =20 -extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) { - unsigned long page =3D __get_free_page(GFP_DMA); + struct ptdesc *ptdesc =3D pagetable_alloc((GFP_DMA | __GFP_ZERO) & + ~__GFP_HIGHMEM, 0); =20 - if (!page) + if (!ptdesc) return NULL; =20 - memset((void *)page, 0, PAGE_SIZE); - return (pte_t *) (page); + return ptdesc_address(ptdesc); } =20 extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address) @@ -35,36 +35,34 @@ extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsig= ned long address) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtabl= e, unsigned long address) { - struct page *page =3D virt_to_page(pgtable); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pgtable); =20 - pgtable_pte_page_dtor(page); - __free_page(page); + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } =20 static inline pgtable_t pte_alloc_one(struct mm_struct *mm) { - struct page *page =3D alloc_pages(GFP_DMA, 0); + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_DMA | __GFP_ZERO, 0); pte_t *pte; =20 - if (!page) + if (!ptdesc) return NULL; - if (!pgtable_pte_page_ctor(page)) { - __free_page(page); + if (!pagetable_pte_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } =20 - pte =3D page_address(page); - clear_page(pte); - + pte =3D ptdesc_address(ptdesc); return pte; } =20 static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable) { - struct page *page =3D virt_to_page(pgtable); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pgtable); =20 - pgtable_pte_page_dtor(page); - __free_page(page); + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } =20 /* @@ -75,16 +73,19 @@ static inline void pte_free(struct mm_struct *mm, pgtab= le_t pgtable) =20 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - free_page((unsigned long) pgd); + pagetable_free(virt_to_ptdesc(pgd)); } =20 static inline pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *new_pgd; + struct ptdesc *ptdesc =3D pagetable_alloc((GFP_DMA | __GFP_NOWARN) & + ~__GFP_HIGHMEM, 0); =20 - new_pgd =3D (pgd_t *)__get_free_page(GFP_DMA | __GFP_NOWARN); - if (!new_pgd) + if (!ptdesc) return NULL; + new_pgd =3D ptdesc_address(ptdesc); + memcpy(new_pgd, swapper_pg_dir, PTRS_PER_PGD * sizeof(pgd_t)); memset(new_pgd, 0, PAGE_OFFSET >> PGDIR_SHIFT); return new_pgd; diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/s= un3_pgalloc.h index 198036aff519..ff48573db2c0 100644 --- a/arch/m68k/include/asm/sun3_pgalloc.h +++ b/arch/m68k/include/asm/sun3_pgalloc.h @@ -17,10 +17,10 @@ =20 extern const char bad_pmd_string[]; =20 -#define __pte_free_tlb(tlb,pte,addr) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +#define __pte_free_tlb(tlb, pte, addr) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte)); \ } while (0) =20 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, p= te_t *pte) diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index c75984e2d86b..594575a0780c 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -161,7 +161,7 @@ void *get_pointer_table(int type) * m68k doesn't have SPLIT_PTE_PTLOCKS for not having * SMP. */ - pgtable_pte_page_ctor(virt_to_page(page)); + pagetable_pte_ctor(virt_to_ptdesc(page)); } =20 mmu_page_ctor(page); @@ -201,7 +201,7 @@ int free_pointer_table(void *table, int type) list_del(dp); mmu_page_dtor((void *)page); if (type =3D=3D TABLE_PTE) - pgtable_pte_page_dtor(virt_to_page((void *)page)); + pagetable_pte_dtor(virt_to_ptdesc((void *)page)); free_page (page); return 1; } else if (ptable_list[type].next !=3D dp) { --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259273; cv=none; d=zohomail.com; s=zohoarc; b=m6RvskNiLq20HlqZactKyYSSRME5wDDH9VE172zEI5MXEtm+Cax/o3lUe+XKFRr7ehl94y9JWQO/8SpA8QLkbRWq5XmPypXHQhbuyKqwIU8VG5vhmX+MH7FoMIv1uLqXNcobnMeJDgrIwuHF7Gtt6+iOyjAEFv9LBoaZ8sy/Cqg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259273; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Z2eVDlXL8alglJUGVXcc8JA7ix0brgT+4DYqdXjkOuM=; b=ZYVBW21DQjNS0W1JDe5wo3EF2IlCtws+1zF1dG02TzgjLLgVnbb+u2g6vI1BspwkwoEkH7CWCbR9HoZV8qCp2KzmCCwWEqRjneznzqcplNFbhrKUJm627QR+EqELfgPuEDcv/+TOZEft3JmJVErHoUFHMeLX+iRkh26OfShI90U= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259273912900.2598548242562; Mon, 24 Jul 2023 21:27:53 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569397.890060 (Exim 4.92) (envelope-from ) id 1qO9dy-0005kZ-63; Tue, 25 Jul 2023 04:27:30 +0000 Received: by outflank-mailman (output) from mailman id 569397.890060; Tue, 25 Jul 2023 04:27:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dx-0005hh-K6; Tue, 25 Jul 2023 04:27:29 +0000 Received: by outflank-mailman (input) for mailman id 569397; Tue, 25 Jul 2023 04:27:27 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yc-0002Iw-JH for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:58 +0000 Received: from mail-yb1-xb30.google.com (mail-yb1-xb30.google.com [2607:f8b0:4864:20::b30]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id ca63ef9d-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:57 +0200 (CEST) Received: by mail-yb1-xb30.google.com with SMTP id 3f1490d57ef6-d075a831636so3448311276.3 for ; Mon, 24 Jul 2023 21:21:56 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:55 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ca63ef9d-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258916; x=1690863716; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Z2eVDlXL8alglJUGVXcc8JA7ix0brgT+4DYqdXjkOuM=; b=fGvrybG9veCXSoZFXJMA0UtqwNVtXsAlnWuMk/bkXpKkiczqed+HRBg7qpGXw+rftP R8qGxP/khxNNrFznF2hl0CDjqxop72dBkyp4625bQ80IjqR8i+AlFghPxbvHSncIk2dU DIqadiRIjjzhPNPBHKa8Srlv+IgcPTSwuOlmzDd7w7/overcGZcXEJW2ZE2gLlzTkiIr 14q1X4buVUmvyXPkdMqpiQ5xV1g5ijhPBheP6rwOByILYuHwrisg3701wx7CgFQtr2bO RrmWP1BVIW5ubmY7FqAv2e+hZuvZuJ8ivG88vT2nRQQmOHlirL+OU5ylsfQ+AZXaGLB1 RXTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258916; x=1690863716; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Z2eVDlXL8alglJUGVXcc8JA7ix0brgT+4DYqdXjkOuM=; b=avYJcXHzYSwynl9GKLJ7SP/0X2IxUT93qcdRtafzD+U6VDTm6CW80mn4uOVexAeBfX KshVWUFtp7Zim06iJeSxYYAYBYDSr2UzSq7XoptJDxhvxk8wodeifRaxP6EJ+oIvUZCl hR9h0q9puO/Yo2P9u+G+3nEeNK9T7duFwacxUWkSBbofKrqfTwAyH3PRTrUVUCFuJiwA kfh2c/g5TE/+6fQEXcwvozK2wKal02h7w2dCSvAqn94IUw1Ej1ur87U7HIIxa5yYtXuQ 0QSZutbDiZEdS1pBOlDi5zce6gXfgGM6a2rUrU9Z5Tk7zRwTMTQ4oJg2KRYy9nQSpUDO 6/QQ== X-Gm-Message-State: ABy/qLZhm9/NPrAqXe2bQXWvF0Ee58uGgzIGxu6tpYDDzDE2/ReaQQ9+ f0S/Fs65g7h5RxNYClZE/7Y= X-Google-Smtp-Source: APBJJlGrUdYE+QekYe04OLVV4hTwe68IN9aeZvp7joelMErKuv+FL/dozsxuFXjvhOH/EvJSITLrDw== X-Received: by 2002:a25:ac88:0:b0:d16:7ccc:b407 with SMTP id x8-20020a25ac88000000b00d167cccb407mr1735614ybi.39.1690258915878; Mon, 24 Jul 2023 21:21:55 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Thomas Bogendoerfer , Mike Rapoport Subject: [PATCH mm-unstable v7 23/31] mips: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:43 -0700 Message-Id: <20230725042051.36691-24-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259274478100005 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/mips/include/asm/pgalloc.h | 32 ++++++++++++++++++-------------- arch/mips/mm/pgtable.c | 8 +++++--- 2 files changed, 23 insertions(+), 17 deletions(-) diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgallo= c.h index f72e737dda21..40e40a7eb94a 100644 --- a/arch/mips/include/asm/pgalloc.h +++ b/arch/mips/include/asm/pgalloc.h @@ -51,13 +51,13 @@ extern pgd_t *pgd_alloc(struct mm_struct *mm); =20 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - free_pages((unsigned long)pgd, PGD_TABLE_ORDER); + pagetable_free(virt_to_ptdesc(pgd)); } =20 -#define __pte_free_tlb(tlb,pte,address) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +#define __pte_free_tlb(tlb, pte, address) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte)); \ } while (0) =20 #ifndef __PAGETABLE_PMD_FOLDED @@ -65,18 +65,18 @@ do { \ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long add= ress) { pmd_t *pmd; - struct page *pg; + struct ptdesc *ptdesc; =20 - pg =3D alloc_pages(GFP_KERNEL_ACCOUNT, PMD_TABLE_ORDER); - if (!pg) + ptdesc =3D pagetable_alloc(GFP_KERNEL_ACCOUNT, PMD_TABLE_ORDER); + if (!ptdesc) return NULL; =20 - if (!pgtable_pmd_page_ctor(pg)) { - __free_pages(pg, PMD_TABLE_ORDER); + if (!pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } =20 - pmd =3D (pmd_t *)page_address(pg); + pmd =3D ptdesc_address(ptdesc); pmd_init(pmd); return pmd; } @@ -90,10 +90,14 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm= , unsigned long address) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long add= ress) { pud_t *pud; + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, + PUD_TABLE_ORDER); =20 - pud =3D (pud_t *) __get_free_pages(GFP_KERNEL, PUD_TABLE_ORDER); - if (pud) - pud_init(pud); + if (!ptdesc) + return NULL; + pud =3D ptdesc_address(ptdesc); + + pud_init(pud); return pud; } =20 diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c index b13314be5d0e..1506e458040d 100644 --- a/arch/mips/mm/pgtable.c +++ b/arch/mips/mm/pgtable.c @@ -10,10 +10,12 @@ =20 pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *ret, *init; + pgd_t *init, *ret =3D NULL; + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, + PGD_TABLE_ORDER); =20 - ret =3D (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_TABLE_ORDER); - if (ret) { + if (ptdesc) { + ret =3D ptdesc_address(ptdesc); init =3D pgd_offset(&init_mm, 0UL); pgd_init(ret); memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259265; cv=none; d=zohomail.com; s=zohoarc; b=GiyuFWyFXuE2zjUvYmeJ29RhNF9NXK/BSQElCxX5UqBQ4tUE4x3mVsF55Cr50Cl4/YZkKGfLoR1MO9tNk/A4rPHB7+P3GuX6jj7n7GLk2hPQeM5I4jKqlVv4Lr0DBrj38h8Rhxq6rOZ71SErnk3X66RSRjhrn1TkDN0SAuEi2og= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259265; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=DOzSOLTncjJXn0AvJQqE6PD7zrtBe8MIuyz5zw7TzDY=; b=DSnx6Sll54HMkZUeHVgQkxWT7QK1+LvqWuFsEih9W1VnGalqGi2wU1BdLjM+5T55adjS74yQW8QB6VqZ4FTU6LJp65EVLKiHVf/JECoPK6UK75UQY3kCEi3hqHjxd5lW7HWeiec963FQstrZPQczDqIavGYG+6wTUHReLU8cYss= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259265652884.187409011524; Mon, 24 Jul 2023 21:27:45 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569393.890027 (Exim 4.92) (envelope-from ) id 1qO9du-0004mS-Q7; Tue, 25 Jul 2023 04:27:26 +0000 Received: by outflank-mailman (output) from mailman id 569393.890027; Tue, 25 Jul 2023 04:27:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9du-0004kT-Eu; Tue, 25 Jul 2023 04:27:26 +0000 Received: by outflank-mailman (input) for mailman id 569393; Tue, 25 Jul 2023 04:27:24 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yd-0002Iw-Kz for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:21:59 +0000 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [2607:f8b0:4864:20::b33]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id cbb9ce8c-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:21:59 +0200 (CEST) Received: by mail-yb1-xb33.google.com with SMTP id 3f1490d57ef6-d10354858e8so1903958276.2 for ; Mon, 24 Jul 2023 21:21:59 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:57 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: cbb9ce8c-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258918; x=1690863718; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DOzSOLTncjJXn0AvJQqE6PD7zrtBe8MIuyz5zw7TzDY=; b=dhPD8MhdzMmnO7UJpDnYU2UUndnCrctJzCVX4h8RxV/2AqAGAmNSSgBAimCgoOXbFI jwqB3InLHcwQnBW7LGy3zNpfxtaFx0sRNMrc2BW/oP9Y9sT30Imc49n106obHaMafKD9 3iENsXyRilYTy2IVeIDj7UinpA3gJg4m95b/YmknsgUr223VL5cVJ4//6IC3DQ94xugG 7BqjgjAuhv+rjaUhUgEIiEByqDs5npSuOOnKXGMd/lRwDVio+iIe4ROtQu1UVk7GVi+q O8m155eNSAMp9dX3vcmdIfcwnE6nUvi43OowEy4OezSv6ZkWZbIGQtYJYSHuCGDVV+u2 iZCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258918; x=1690863718; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DOzSOLTncjJXn0AvJQqE6PD7zrtBe8MIuyz5zw7TzDY=; b=YoR14sbQSdUHcjpcieUN9/diVoLeqlWiVMdh2YletoyWrKzYzqrjhm+xlmfvenHu5q J0JXLA5a0FIFSBYWM3p4zvGrYIvAjthzKfHSa9mSRtg6PBF2mewQJjllEvEo9xcrVWXy s/zU8jNL05M/P6bM08CRY1RlUmTCKe/cbp6/LTjDhJ/eu2PZ/4YR6X4ydciLT/JSeMzC PeTtyaxL+t1llwUQ5RPmJNwNyle4Xvn7oe/KP89Z7dtrEOmReirPAuWyJ5CEAIVM545h WoPyhj5nOLtuVwV/rNTP0vn5hbPEe3LFFGsv6Z2l/eSsPQvfL5bdH1HfHUpJkGMD/dAi Vqrw== X-Gm-Message-State: ABy/qLbr9rA3ET1VRTiYFXxo/LJ+F7IRVKq8gCYYXIsVGgV3395cP/HO O6sgLlQwM+XR1yWDHfQ2UaM= X-Google-Smtp-Source: APBJJlGh3t71iGxZySWvCqAB9/DfGs5U66hmdz8Mr8qCsALi+Mic17AL5W5IK2UTO7itITs/+4o4Zw== X-Received: by 2002:a25:ced0:0:b0:d13:e334:241b with SMTP id x199-20020a25ced0000000b00d13e334241bmr2805085ybe.21.1690258918114; Mon, 24 Jul 2023 21:21:58 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport , Dinh Nguyen Subject: [PATCH mm-unstable v7 24/31] nios2: Convert __pte_free_tlb() to use ptdescs Date: Mon, 24 Jul 2023 21:20:44 -0700 Message-Id: <20230725042051.36691-25-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259267770100007 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) Acked-by: Dinh Nguyen --- arch/nios2/include/asm/pgalloc.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/nios2/include/asm/pgalloc.h b/arch/nios2/include/asm/pgal= loc.h index ecd1657bb2ce..ce6bb8e74271 100644 --- a/arch/nios2/include/asm/pgalloc.h +++ b/arch/nios2/include/asm/pgalloc.h @@ -28,10 +28,10 @@ static inline void pmd_populate(struct mm_struct *mm, p= md_t *pmd, =20 extern pgd_t *pgd_alloc(struct mm_struct *mm); =20 -#define __pte_free_tlb(tlb, pte, addr) \ - do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), (pte)); \ +#define __pte_free_tlb(tlb, pte, addr) \ + do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ } while (0) =20 #endif /* _ASM_NIOS2_PGALLOC_H */ --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259258; cv=none; d=zohomail.com; s=zohoarc; b=eTZckQLs4ITQ63j4/n0WoEjzi82iXRCBg7Bx+Va0p3Jiw/zyStI6vSxORtPBhp3uRUH3KA2DWtKXilKGEGgJ7JOezCPO8TburnMy6fVzDxKYN6DlLA62HUu4WwW98HUaX9FhLeUG15rdieIyfw3RHBKfuZo1dF2m7BwWrZ0iikc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259258; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=0AnRv7d38hHUVaoAGins0CaWMMRgzo0GwUb20Y9YoSw=; b=hkN2Bk6V7+xxofgBAavtKt4K8JdE658PA7rt/Zp2VXXbG20P/0ijJLt7qkfc/rXarJ8kdsKQDyoLOWK2ztYG0F6uwatR2r4c8+ZOYXNIvgHeKxTACVlNOg0EDmMAKBN2O2Bx2q2TrosiWxi/yDP5wKhxsZWskvhaQiz8RCg7qwM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259258770839.7801947251523; Mon, 24 Jul 2023 21:27:38 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569382.889965 (Exim 4.92) (envelope-from ) id 1qO9dp-0003FS-M3; Tue, 25 Jul 2023 04:27:21 +0000 Received: by outflank-mailman (output) from mailman id 569382.889965; Tue, 25 Jul 2023 04:27:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dp-0003ET-FR; Tue, 25 Jul 2023 04:27:21 +0000 Received: by outflank-mailman (input) for mailman id 569382; Tue, 25 Jul 2023 04:27:20 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yg-00023t-RC for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:02 +0000 Received: from mail-yb1-xb32.google.com (mail-yb1-xb32.google.com [2607:f8b0:4864:20::b32]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id ccea9428-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:22:01 +0200 (CEST) Received: by mail-yb1-xb32.google.com with SMTP id 3f1490d57ef6-ca3cc52ee62so5589308276.0 for ; Mon, 24 Jul 2023 21:22:01 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.21.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:21:59 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ccea9428-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258920; x=1690863720; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0AnRv7d38hHUVaoAGins0CaWMMRgzo0GwUb20Y9YoSw=; b=pF3/aUrb3JX49e0u22fW9ciATl7u+MUedSxMIodJhkvCSur2UbV1ymLo02TZ+J+kPF Kx5HeDHnWoCFEiMJQRkEFLmGeKvRgst1SRco5Nf2sutYKL2w+MtMEjm9RYoVaVV/WbaV YVQVPd7LOUuBtkmGFl+FmiiuwqN1u54q2lW5pHrezKOb3piONF3+v81Wt/4bQq44saNJ XmrP/XQPqOefJAz6PJqT1BLnizFGrc2xSl/LadxebvB7doG0PAx8D01yebNX4JhyxCLk tgaBucE6SVITexqLzDjpMrpbMyKpy8WP6lMzfEvzG49OmJW0+1GrWwpk6bQXNmC80wMv +HWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258920; x=1690863720; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0AnRv7d38hHUVaoAGins0CaWMMRgzo0GwUb20Y9YoSw=; b=EMYqwr815s01XR4R6LBGG2Pu+6IMyGgqCtN9RWfsA6vsbeLJ0q+1D8h+w1qd8rINx1 3zIaG7RzEfFMOxHcD2b2pB8gLkv/9YCwv0E/LTyJVaUbbscFHdVHsl2KYJHwriuue/rj 4qr1L0+G4qGw/5lp2Jkbmg+b7C/8UNASxqkC75noKTJSdda1wk0/T6EsaVTD5DFSe3xY 58CeGLAZN+LH78mpE3hOPLVnGtus0/jJTfelxQo4RLpLZHgD2S/PGGxrXfs3DPWQgWP2 ctvWAdQuROaMRVg3v0G/3fv4elHNTE0BRTkc75KfHUlSOZvCqKCaeS3Fw0+/RSIm04U9 0Hrw== X-Gm-Message-State: ABy/qLbXJIyde/9CrSXoCi4M6oaaXN4392H8OhqA16h5Wpy7aQ3SxG9x KLT4HQ163SCplnlRfuUkxxE= X-Google-Smtp-Source: APBJJlEdkcahnNVyEvlWTLDmpaRsWSF5WciOnYxL0p0ce55MSQlJt+bgPnW2jeW0QxRihWyF8hwpDQ== X-Received: by 2002:a25:ac42:0:b0:d0a:da40:638e with SMTP id r2-20020a25ac42000000b00d0ada40638emr6436068ybd.12.1690258920108; Mon, 24 Jul 2023 21:22:00 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Jonas Bonn , Mike Rapoport Subject: [PATCH mm-unstable v7 25/31] openrisc: Convert __pte_free_tlb() to use ptdescs Date: Mon, 24 Jul 2023 21:20:45 -0700 Message-Id: <20230725042051.36691-26-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259260401100001 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/openrisc/include/asm/pgalloc.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/as= m/pgalloc.h index b7b2b8d16fad..c6a73772a546 100644 --- a/arch/openrisc/include/asm/pgalloc.h +++ b/arch/openrisc/include/asm/pgalloc.h @@ -66,10 +66,10 @@ extern inline pgd_t *pgd_alloc(struct mm_struct *mm) =20 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); =20 -#define __pte_free_tlb(tlb, pte, addr) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), (pte)); \ +#define __pte_free_tlb(tlb, pte, addr) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ } while (0) =20 #endif --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259264; cv=none; d=zohomail.com; s=zohoarc; b=Cn2XpI3lAi+W0d+sa6O2HNU1s6TEE0+3qzRTfiYy/KJiRLCMIbXg49STWk/B1SnSbiNenTzUXDpKJoHQtNGCpO9MCmuykqEPn1eTGxIrmZP8SOFhCXAaD1UevjKiKx2WlpMC3FTJ26IsKxbLOCUYcKy4OU+VFGmiTb+wKZDsLlw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259264; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=3wtNkjiFE1rjq7ZRDFNmpMqdu/3EA/QyC8BNR6xlaRk=; b=XQ6cZnvcoLhvEw4XYL7r8gzfx57BxeMrXM+aJyXusvKbBVQ+hOGJHrF8uQz/TvB9DxkBj8GtqhSFM76RwyuhBEhlGcQw5sQR2SfRWbCXsDR0nni1V+/KpqtjH/E/+J70UuadaPtvJYisrd13nbsqNb6xnrjwCPgjJU9SaZJlssE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259264685434.7720345163574; Mon, 24 Jul 2023 21:27:44 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569383.889971 (Exim 4.92) (envelope-from ) id 1qO9dq-0003JP-4d; Tue, 25 Jul 2023 04:27:22 +0000 Received: by outflank-mailman (output) from mailman id 569383.889971; Tue, 25 Jul 2023 04:27:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dp-0003IO-OU; Tue, 25 Jul 2023 04:27:21 +0000 Received: by outflank-mailman (input) for mailman id 569383; Tue, 25 Jul 2023 04:27:20 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yh-0002Iw-PJ for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:03 +0000 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [2607:f8b0:4864:20::b33]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id ce281eb3-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:22:03 +0200 (CEST) Received: by mail-yb1-xb33.google.com with SMTP id 3f1490d57ef6-cfcebc33d04so5670217276.2 for ; Mon, 24 Jul 2023 21:22:03 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.22.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:22:01 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ce281eb3-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258922; x=1690863722; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3wtNkjiFE1rjq7ZRDFNmpMqdu/3EA/QyC8BNR6xlaRk=; b=iu7T9ShRTfGWqcA5uJNn48P7ITBijMcZXksGMFFsSIJDj0VmHTYECkWvPEWNMN60a1 IUYR/sDhh53Vy6dzUT6UahYzj05kYwH8neXcRQGMrWnafyF9Nggmi7HojAqo4PR9lKrk 02FdxS1l6wceDUexmcvfeLaN7cB/yf3NJTMHz8qA/qhQubNB4zuidHLrnfC+CD9FthdV DmB6BJ+22VwMurCnw4NmkeKklt87ZDgX5spGKsnDe9xsWqCmiOPReZ8vAaZPSBJPyLEZ EQXlbCfDgq90/zCmmXSE8cDOoCHltzy9M5tcZZJw0IWtubbSaQTI0PoE70blt5u8J64C txJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258922; x=1690863722; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3wtNkjiFE1rjq7ZRDFNmpMqdu/3EA/QyC8BNR6xlaRk=; b=bh4Col8xdEuoUFSKmaUW3oQZLSIsWU5r5xdk3irXxO3Nx/CaaMmXmwx4/5vHPLoAs6 G9Z4JPZnKBl5hr7KjN0zqAUbXZobto7Obe2Fxua8bFGziGyFZ0fqCgKMLJSD5jOYZk3T cY3Bt+RquKPR6Gs0FR5jFfEalFqcigZeJ2V7bOfHjzq9ahUy6OzKS181QJ+eTvgJfKqd VjxfJjoq3JjikEdDwAlD2AZL9Q/tKkgIQlc0gTWIjSD/4QFTmexANCoE+VY4+VIxxfxy Ff6SBhn9qrObx6GkLCVI5DTprtOSsF4H4U3IbjKCjZtSQjtPfJFHenRtWA+pd0yJaDJX 0Nqg== X-Gm-Message-State: ABy/qLb7ayP+frBu11DoVot0XjqE7463y8hhl/dThBvyBdcENftDrySO WtyT5KAOzqGdR3CxpH6/4rQ= X-Google-Smtp-Source: APBJJlGfBdwhSlxwyOaXtB0+Cx5VSBUjcB1Wb8y8NRWIESkjts+Gr4L0lqHFPdNq/1caH3RyI0GElw== X-Received: by 2002:a05:6902:cb:b0:bc9:92c9:7fd1 with SMTP id i11-20020a05690200cb00b00bc992c97fd1mr8566515ybs.3.1690258922187; Mon, 24 Jul 2023 21:22:02 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Paul Walmsley , Palmer Dabbelt , Mike Rapoport Subject: [PATCH mm-unstable v7 26/31] riscv: Convert alloc_{pmd, pte}_late() to use ptdescs Date: Mon, 24 Jul 2023 21:20:46 -0700 Message-Id: <20230725042051.36691-27-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259266363100003 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Palmer Dabbelt Acked-by: Mike Rapoport (IBM) --- arch/riscv/include/asm/pgalloc.h | 8 ++++---- arch/riscv/mm/init.c | 16 ++++++---------- 2 files changed, 10 insertions(+), 14 deletions(-) diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgal= loc.h index 59dc12b5b7e8..d169a4f41a2e 100644 --- a/arch/riscv/include/asm/pgalloc.h +++ b/arch/riscv/include/asm/pgalloc.h @@ -153,10 +153,10 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) =20 #endif /* __PAGETABLE_PMD_FOLDED */ =20 -#define __pte_free_tlb(tlb, pte, buf) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +#define __pte_free_tlb(tlb, pte, buf) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte));\ } while (0) #endif /* CONFIG_MMU */ =20 diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 9ce504737d18..430a3d05a841 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -353,12 +353,10 @@ static inline phys_addr_t __init alloc_pte_fixmap(uin= tptr_t va) =20 static phys_addr_t __init alloc_pte_late(uintptr_t va) { - unsigned long vaddr; - - vaddr =3D __get_free_page(GFP_KERNEL); - BUG_ON(!vaddr || !pgtable_pte_page_ctor(virt_to_page((void *)vaddr))); + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0); =20 - return __pa(vaddr); + BUG_ON(!ptdesc || !pagetable_pte_ctor(ptdesc)); + return __pa((pte_t *)ptdesc_address(ptdesc)); } =20 static void __init create_pte_mapping(pte_t *ptep, @@ -436,12 +434,10 @@ static phys_addr_t __init alloc_pmd_fixmap(uintptr_t = va) =20 static phys_addr_t __init alloc_pmd_late(uintptr_t va) { - unsigned long vaddr; - - vaddr =3D __get_free_page(GFP_KERNEL); - BUG_ON(!vaddr || !pgtable_pmd_page_ctor(virt_to_page((void *)vaddr))); + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0); =20 - return __pa(vaddr); + BUG_ON(!ptdesc || !pagetable_pmd_ctor(ptdesc)); + return __pa((pmd_t *)ptdesc_address(ptdesc)); } =20 static void __init create_pmd_mapping(pmd_t *pmdp, --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259258; cv=none; d=zohomail.com; s=zohoarc; b=jiAD2IaAFP3WZb3OCVDZ5ZVMCw91z2uxjr2gwmChlaTJyFyF+UvpRgNckwRgOSzWpbE6LkAK02ZIYuNirI03OqCkZrr7dV9kI5xjlVqAHi63LWcXscmzr44qUR5J25xoMmrfNr9bLBS3ygqihMWMP8iTO2gYNzU1ctIOG/1DG0c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259258; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=NG13BwzmmAIpXpcduEwvRHFbS3iQhU18W2JpKLteVDY=; b=LUHLhq3aTqJjNuNK7dz9CeCJIsy1QGapkSpsJt6KnLQNuwT47Kf+1Mj9x/1d8uiuDJwB9ga3CBNwWfPhECCraRqIVrgHw/g+MVjh0w/NXTEk8MMQZyXOPaRamPu4AarSx2/sEzIaLr1rK+87X0+pGwM7v2tuWpz/7BYMQoOmkBw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259258567280.5755910842288; Mon, 24 Jul 2023 21:27:38 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569384.889977 (Exim 4.92) (envelope-from ) id 1qO9dq-0003Ne-Cj; Tue, 25 Jul 2023 04:27:22 +0000 Received: by outflank-mailman (output) from mailman id 569384.889977; Tue, 25 Jul 2023 04:27:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dq-0003Lj-0q; Tue, 25 Jul 2023 04:27:22 +0000 Received: by outflank-mailman (input) for mailman id 569384; Tue, 25 Jul 2023 04:27:20 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yj-0002Iw-Ua for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:05 +0000 Received: from mail-yb1-xb32.google.com (mail-yb1-xb32.google.com [2607:f8b0:4864:20::b32]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id cf77cfc5-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:22:05 +0200 (CEST) Received: by mail-yb1-xb32.google.com with SMTP id 3f1490d57ef6-c5ffb6cda23so5568569276.0 for ; Mon, 24 Jul 2023 21:22:05 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.22.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:22:04 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: cf77cfc5-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258924; x=1690863724; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=NG13BwzmmAIpXpcduEwvRHFbS3iQhU18W2JpKLteVDY=; b=GBQqKOXR4MY0Ps6Ytzn9QjLc5kcnNARqYVMOSqCl4nxxP5zueTINjr7iMbjZhk8uU1 uF+ZNdDLWemlb8QXVTn60jLorPF4KaxuajyPq7XQ8ZCUpgrsfyxcNU4aZsjJHBdfgv4V f3SehFOrdMCWYaV3GNfOxXZlwwtfQps2pLwSnw0r1MZbny4VXC0cZl+5ECg/uwswSkJJ 2spe5/EA1yI0VqTuQ1Drr9GEQcMwkhM/FKbElCEbuZdJkSdi81Zbahgosic5IMYJMWsY zz7YF2FVGFBOrfl6ZnWHbV39qhmx668oKEAvnRRKMjMLLqABK50UfsT2Oc13y2cvxYxd xuhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258924; x=1690863724; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=NG13BwzmmAIpXpcduEwvRHFbS3iQhU18W2JpKLteVDY=; b=PMRaDkoZNCaRbOaRnbUN1wAVrRs8iX+YHSchPqsiocZvhRdOy8wYtNgevBws4Sbs0H 7xIzR8EdHmuNk9agLw4vYvRcqbXPECowF34pzupimFPTIVA+V7nB/uIZAixebOIMA49K OfN17x2J4oU4r6H/Qn6bJHKJsp1f3LC1ThKDyAGxNN3RF4W9EQ/EkvEpTewbY9H5pgBc heMCgrwwGorb5gMWBs9EwBC3kQa9J/zvs006ZIZ5rDSUYjC2YZuduOXMexTLj5j9JQeH FvKunre9VgmNp66R3UCq7jODMCaT0gv9FpiUBNJAriq27pRd7I5jkgtoXDXK3c2ut2qk yZOQ== X-Gm-Message-State: ABy/qLYeI5x3v0In8PF+YQxGSwUzdyzXnoglttRqYhgEEXcHdW1CDfK8 9Wa97c4K7bab9TDLq/jLYiw= X-Google-Smtp-Source: APBJJlFIEKBO4FnrV/9ajkbTKUo/vEdRCYW7kk6X3z3g19puIv3mx6us1kMtRHRFLnY2I/2ODsKhEw== X-Received: by 2002:a25:2309:0:b0:d0d:2d82:7a27 with SMTP id j9-20020a252309000000b00d0d2d827a27mr4389099ybj.13.1690258924402; Mon, 24 Jul 2023 21:22:04 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Geert Uytterhoeven , John Paul Adrian Glaubitz , Mike Rapoport Subject: [PATCH mm-unstable v7 27/31] sh: Convert pte_free_tlb() to use ptdescs Date: Mon, 24 Jul 2023 21:20:47 -0700 Message-Id: <20230725042051.36691-28-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259260567100003 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Also cleans up some spacing issues. Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Geert Uytterhoeven Acked-by: John Paul Adrian Glaubitz Acked-by: Mike Rapoport (IBM) --- arch/sh/include/asm/pgalloc.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h index a9e98233c4d4..5d8577ab1591 100644 --- a/arch/sh/include/asm/pgalloc.h +++ b/arch/sh/include/asm/pgalloc.h @@ -2,6 +2,7 @@ #ifndef __ASM_SH_PGALLOC_H #define __ASM_SH_PGALLOC_H =20 +#include #include =20 #define __HAVE_ARCH_PMD_ALLOC_ONE @@ -31,10 +32,10 @@ static inline void pmd_populate(struct mm_struct *mm, p= md_t *pmd, set_pmd(pmd, __pmd((unsigned long)page_address(pte))); } =20 -#define __pte_free_tlb(tlb,pte,addr) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), (pte)); \ +#define __pte_free_tlb(tlb, pte, addr) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ } while (0) =20 #endif /* __ASM_SH_PGALLOC_H */ --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259279; cv=none; d=zohomail.com; s=zohoarc; b=hWvWrRiV7iCZnpsXbcvRPavv3cIZumV9XkMtTDgZSZn3mvnYKMP31YXobW72eCHHBQt1BTKDuDR7736Dn4vKLSuUBJTSyMZk98fzMeq1oppOi6Rh92TVea13vnDdIauXq14gpHxFKjoZgJj+KBG/KJX4uKYrM6zyeUp2CGk/tmg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259279; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=K9EaWELDe99nUon5K3Z+iJo2yPeaFSzyCnD+eyoagSI=; b=BF4QNTD6kJxchrzmL6SDOnyKOPiR9EW3wRdbYq4cSHqEiAllHK0DH6GO8bokO+pNKI1qTW7k5Iyqd6qdYpAVI4Vc5dTiCuoV+7cbrr1WI97D0c5sQgTDspyTBLPjEfVuSB9TcNS74nI9iz5btIeyczq8Qj32CLdCMwVlC//LVCw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259279371945.2393047822987; Mon, 24 Jul 2023 21:27:59 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569404.890094 (Exim 4.92) (envelope-from ) id 1qO9e7-0007x9-9v; Tue, 25 Jul 2023 04:27:39 +0000 Received: by outflank-mailman (output) from mailman id 569404.890094; Tue, 25 Jul 2023 04:27:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9e6-0007ub-Vx; Tue, 25 Jul 2023 04:27:38 +0000 Received: by outflank-mailman (input) for mailman id 569404; Tue, 25 Jul 2023 04:27:37 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yn-00023t-Ff for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:09 +0000 Received: from mail-yb1-xb2b.google.com (mail-yb1-xb2b.google.com [2607:f8b0:4864:20::b2b]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d0d3524d-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:22:07 +0200 (CEST) Received: by mail-yb1-xb2b.google.com with SMTP id 3f1490d57ef6-ca3cc52ee62so5589361276.0 for ; Mon, 24 Jul 2023 21:22:07 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.22.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:22:06 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d0d3524d-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258926; x=1690863726; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=K9EaWELDe99nUon5K3Z+iJo2yPeaFSzyCnD+eyoagSI=; b=qNSUsqiVKVB0ESH5eMh2318rltbeTzVNrLxONrPQx/nleyciLPoBJAEyvEQiA5s1Tn 685R6sAh2RRkBOJ+dHhwwHaTsDfn1Dq0fhp7maY379FRtPvlZFAioZBWPPk7fa1Wkq01 qN75vY9UJqWiLkOixY4L6XdTPAaqKlrcR9SWRLlUZxoXjG975sFhxm21WZutHmQKl3h2 OQ9WcHoISTJ2OjIGWYQNx9W6xFSNLrPRAFCGXfmCK8TcPNzYvmKngSTkC45cBTIzIEjY 73sY0YERl7Ohg+xplAh/xTNZowvdAeC+fipfIzPvDIC0nmap4j6fccJNDYEXWoxWM6gV WCvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258926; x=1690863726; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=K9EaWELDe99nUon5K3Z+iJo2yPeaFSzyCnD+eyoagSI=; b=Y9wNrbvL70mI3JZ/FpbnHifSdQG+K3aotMRMI3eZ0vsLZIhdkajifHfyYsD6qxVd4u W1depxxsTVEz271DNPXYFqyquxz0deK45vlUCpiKNRo82usQ+2RY3rLnO74hMuq9Uaza 57vUtYhE5eJtmPL5JcgJSLPb3a9xENCyERoOEiyGuyHQmBhiyu1VwlEvuThr5JlPb1gd Fl527tD5+1xwdi6kmzWntIyLJedNVtMVfxr29/LzlUPQab5fByu71JC36AjfFUBK0nU0 zWclTNs9ASMiGhUpw4kS3gSEZNIzMKmRPs5Zo1WxsKwCy1WisYprCUDRXr43QfS+joZM qvVA== X-Gm-Message-State: ABy/qLZPvwmUhbJP0hqu3kKiUc0+ecV9fI/Ai3zHHeCQOx+swfhls6/6 QE4KO4+0R2nwOQj1UaZTOdE= X-Google-Smtp-Source: APBJJlEYsYvwES4yIHo2kt7NPKD5Twgr2oGLJnzn9f7qzh6ZvPXJtQdH1+pOAmNJT4cd1ABpvr+wDQ== X-Received: by 2002:a5b:88e:0:b0:d0e:3831:fa2b with SMTP id e14-20020a5b088e000000b00d0e3831fa2bmr4772882ybq.62.1690258926669; Mon, 24 Jul 2023 21:22:06 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , "David S. Miller" , Mike Rapoport Subject: [PATCH mm-unstable v7 28/31] sparc64: Convert various functions to use ptdescs Date: Mon, 24 Jul 2023 21:20:48 -0700 Message-Id: <20230725042051.36691-29-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259280500100001 Content-Type: text/plain; charset="utf-8" As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/sparc/mm/init_64.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 0d7fd793924c..9a63a3e08e40 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -2893,14 +2893,15 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm) =20 pgtable_t pte_alloc_one(struct mm_struct *mm) { - struct page *page =3D alloc_page(GFP_KERNEL | __GFP_ZERO); - if (!page) + struct ptdesc *ptdesc =3D pagetable_alloc(GFP_KERNEL | __GFP_ZERO, 0); + + if (!ptdesc) return NULL; - if (!pgtable_pte_page_ctor(page)) { - __free_page(page); + if (!pagetable_pte_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } - return (pte_t *) page_address(page); + return ptdesc_address(ptdesc); } =20 void pte_free_kernel(struct mm_struct *mm, pte_t *pte) @@ -2910,10 +2911,10 @@ void pte_free_kernel(struct mm_struct *mm, pte_t *p= te) =20 static void __pte_free(pgtable_t pte) { - struct page *page =3D virt_to_page(pte); + struct ptdesc *ptdesc =3D virt_to_ptdesc(pte); =20 - pgtable_pte_page_dtor(page); - __free_page(page); + pagetable_pte_dtor(ptdesc); + pagetable_free(ptdesc); } =20 void pte_free(struct mm_struct *mm, pgtable_t pte) --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259281; cv=none; d=zohomail.com; s=zohoarc; b=kxnczOnoRW76uw+OzOJLAYq9q+7+WWV0/AWTiMwgDR93kfx9mfvxJEC5bokoqhY+nG2eF6bOoT7qg01XJDyx5ohBMrNsVZkAoDUb9eOyogvi91+uPn9hZ4Ig1evESx+4Y2Qb6QARMtrLyeWE9n+WtwLozTQdSm/Msq5M1og1XN4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259281; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=ES9RfFz84BcV9KH4Nk3AfkjPOEvVVRdPbPMSiTejLcw=; b=nTo0Jm2gQCuCuaR3DLl+5mTpGZY6LEWaytcojMbVMIyuml4DMMZekwC7Aw7qjr8L0tfYiW0BDmNzm962HsDj2qu4CLyukO2MFGLtzBr3U8gtLIC5JdnNf0fkRZdJC/ET6BRbird+nD6zsITHSrxQcItEMuJDlTZywP+dQzOa/5o= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259281319651.1321496549427; Mon, 24 Jul 2023 21:28:01 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569407.890108 (Exim 4.92) (envelope-from ) id 1qO9e9-00008j-RO; Tue, 25 Jul 2023 04:27:41 +0000 Received: by outflank-mailman (output) from mailman id 569407.890108; Tue, 25 Jul 2023 04:27:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9e9-00005n-7e; Tue, 25 Jul 2023 04:27:41 +0000 Received: by outflank-mailman (input) for mailman id 569407; Tue, 25 Jul 2023 04:27:38 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yo-0002Iw-BZ for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:10 +0000 Received: from mail-yb1-xb2b.google.com (mail-yb1-xb2b.google.com [2607:f8b0:4864:20::b2b]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d20aa443-2aa2-11ee-b23c-6b7b168915f2; Tue, 25 Jul 2023 06:22:09 +0200 (CEST) Received: by mail-yb1-xb2b.google.com with SMTP id 3f1490d57ef6-d0b597e7ac1so2718248276.1 for ; Mon, 24 Jul 2023 21:22:09 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.22.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:22:08 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d20aa443-2aa2-11ee-b23c-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258929; x=1690863729; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ES9RfFz84BcV9KH4Nk3AfkjPOEvVVRdPbPMSiTejLcw=; b=cSKYfsxsSJS7ffOM4NEt7zqMXRoog1hv17RKdUNV14hwO6VLFQmWr65pOVoZcWEcHO ZTxl5sTEIPleNQWx16W6XrYvQNc8QXYYi7iNKk/WLCGUAw+9con++Nm/zKIXiRkvFnF7 Kmn+uijjQiZlrdtiQKHDxzRwNsdnc8EVkdLLz/rRCQKPLyPDRXi+bbVeFHkpJoJjSqoQ LLoMyhXQM5hAlfwlKm9TGFpC4wUaQoFel3CzrwsKFljyIKf+UmRISO6P0XGMas/PtQ7m PZz9tli6d2qqtk+AGtTpbrNJSRqge28gNGwJ8TouzN1vk9cQxwcl+kcXzH8Il6o+JKN2 oqCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258929; x=1690863729; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ES9RfFz84BcV9KH4Nk3AfkjPOEvVVRdPbPMSiTejLcw=; b=K1KvbrPGBn2pDwk7ozf/7vLuyFWSU6qACLs5BC/gUGx43Omn4B3Ra3dnZpjaoWB+mJ VzOzxBj38mCNGpceNvTJ8x0cUOFa5tP5LGmWZXPr9o6N7xhwCytuHjbeOUkQbcBoQ+Eb RBeF3ai+aTKWdYzOAGXz3mK1hMcOTZlDR/jrc4+7xATBMwycYqg1b39qcUfFBukO3qVT u71NzaKWg4WbsgsacANQmowLkVLGNott6oL29uG4hnWs4QtLZss7KneKOCtGIFZlpWDq i3pRzjWH30NA2QoleSew87k3GnVZKD3qhrquiq2w7yaWH2iMgX2kwFnNGWUd7WJBgc9H R8+A== X-Gm-Message-State: ABy/qLZZXNBJKqFxg60E1h8KFlEqW+NsiX9OhTWlOqDoH+Jna8dDdu5b AC8I9uVgyhCCiBoreo8X79U= X-Google-Smtp-Source: APBJJlHinG28bY5749COLWHo/TBHjyABo5nSLZGYajOWLjAfKDEgrRU/vgHTv2Ygbb3WniVSdKl5LA== X-Received: by 2002:a25:700a:0:b0:d16:c58a:e63a with SMTP id l10-20020a25700a000000b00d16c58ae63amr1491610ybc.23.1690258928721; Mon, 24 Jul 2023 21:22:08 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , "David S. Miller" , Mike Rapoport Subject: [PATCH mm-unstable v7 29/31] sparc: Convert pgtable_pte_page_{ctor, dtor}() to ptdesc equivalents Date: Mon, 24 Jul 2023 21:20:49 -0700 Message-Id: <20230725042051.36691-30-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259282803100001 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable pte constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/sparc/mm/srmmu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 13f027afc875..8393faa3e596 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -355,7 +355,8 @@ pgtable_t pte_alloc_one(struct mm_struct *mm) return NULL; page =3D pfn_to_page(__nocache_pa((unsigned long)ptep) >> PAGE_SHIFT); spin_lock(&mm->page_table_lock); - if (page_ref_inc_return(page) =3D=3D 2 && !pgtable_pte_page_ctor(page)) { + if (page_ref_inc_return(page) =3D=3D 2 && + !pagetable_pte_ctor(page_ptdesc(page))) { page_ref_dec(page); ptep =3D NULL; } @@ -371,7 +372,7 @@ void pte_free(struct mm_struct *mm, pgtable_t ptep) page =3D pfn_to_page(__nocache_pa((unsigned long)ptep) >> PAGE_SHIFT); spin_lock(&mm->page_table_lock); if (page_ref_dec_return(page) =3D=3D 1) - pgtable_pte_page_dtor(page); + pagetable_pte_dtor(page_ptdesc(page)); spin_unlock(&mm->page_table_lock); =20 srmmu_free_nocache(ptep, SRMMU_PTE_TABLE_SIZE); --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259279; cv=none; d=zohomail.com; s=zohoarc; b=HUodB7lBWM2S5xCd2n+tToBSJflSXgOPgdkIPDpPk9goVhpJ5u6FpQe6YhlALzG6RfOnG8rbuxlfyMpN/P0Q8u+XhW068npIH5ndmZspzmLyaBZ+VswMd0PrRVoFHg4QUm6M+DXh+RlTjzYgopSA9LSnWtR06FnHNVnzNW07dQ4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259279; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=JRfRtQSkmDpdaHgWU+x8J8rVDSFtmuGYMRjnXDV0vQY=; b=hrtoLlnukX5iXDji/yu7KEZfgLj4KWp47FWdxHmvFfEqIxhH10AoRSY+sOz6F1EojMN2t/u1ElAq3kGohkcnL9EvUaYUmSPkic8y6ip70rV88EZK3Hh5+lK+9ola7PiIWf5ZkZIx/GuyB0qszS/yB3u7MMqF+yWrhzBO3BJu8s0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259279445875.6264295855674; Mon, 24 Jul 2023 21:27:59 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569402.890089 (Exim 4.92) (envelope-from ) id 1qO9e6-0007rD-PS; Tue, 25 Jul 2023 04:27:38 +0000 Received: by outflank-mailman (output) from mailman id 569402.890089; Tue, 25 Jul 2023 04:27:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9e6-0007qq-F2; Tue, 25 Jul 2023 04:27:38 +0000 Received: by outflank-mailman (input) for mailman id 569402; Tue, 25 Jul 2023 04:27:36 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yr-00023t-I2 for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:13 +0000 Received: from mail-yb1-xb2b.google.com (mail-yb1-xb2b.google.com [2607:f8b0:4864:20::b2b]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d3544807-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:22:12 +0200 (CEST) Received: by mail-yb1-xb2b.google.com with SMTP id 3f1490d57ef6-c5f98fc4237so4297284276.2 for ; Mon, 24 Jul 2023 21:22:12 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.22.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:22:10 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d3544807-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258931; x=1690863731; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JRfRtQSkmDpdaHgWU+x8J8rVDSFtmuGYMRjnXDV0vQY=; b=dIpSbxhiHoEZRybZXN/MVeO3g9uu5Wr3kckw/68K6KR19uhvm31rhYObpAHJDDboRN fN++WCiGx69nFrN6B8d/NLOzRwfLSelYXtCG2axa3nxyX1nLiBBRswcz9UUR+gYqr6j2 ancXFsSIRjlVC+siGAlQPxsDtqvlS6d02kp43kWDLSl5AqbfL3SxRXE8QCvzAnUbAKUU YasskwMDZ8VrwnmHFnrCJmWDVf5znjGB85g4q/nAwV8W9HMi2mBDPg8zNmEW2Wmz/ahG Gd3GY4JptXSFLWhWmWPz4PD8TWa0sGWxRtah1a9utFkbDSvAH1sC4A2J8wMHczxZTgoj 5RbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258931; x=1690863731; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JRfRtQSkmDpdaHgWU+x8J8rVDSFtmuGYMRjnXDV0vQY=; b=FPc2ddG3cvXQvJBlXzw6xR+tncgBPlWzW7Ahz/XLioPgdW1Iji2yplIX6W2mvpUDEB W0TMTVM8iU9C9CtWSEYd7CHuTNUYBzBVkWVx7NGgXPalelCcXIxmaLvRk/hvrjDBT4z4 jmZ7Bzj6T0Y4aNFXgy1qwahjM/Xpve8SFvpq3VjIvSsFf4I6uZx3aRk6LlSULoEiKKdK wKgCRGqBQ8tENTZ7Bu8hP2Wr4X5hg7Wxa+QT1QuJ71b4Y6J4usV+xyO8v4BGEwJaPnEl OkxXHYe6E59mzY8EMkuui106KqASVcTd5wMJZFDFP11AjlrqllBOa06ncRBaofHYgunx Iorg== X-Gm-Message-State: ABy/qLbFfbxnCxz+M+AXXgfAlUwiBzM5yFTJrzEoxRYuTXfVfy80npeS jSNWf1px2p4jJ6bLYjOEIag= X-Google-Smtp-Source: APBJJlFFrRXSNeam/kWey2sQFPpJrG6DmS1yW3xEJWnQmkKSGkoB3AAvrxYF3pVhZLtkZcpr8uNrnQ== X-Received: by 2002:a25:2517:0:b0:d0a:86fc:6110 with SMTP id l23-20020a252517000000b00d0a86fc6110mr5159740ybl.28.1690258930893; Mon, 24 Jul 2023 21:22:10 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Richard Weinberger , Mike Rapoport Subject: [PATCH mm-unstable v7 30/31] um: Convert {pmd, pte}_free_tlb() to use ptdescs Date: Mon, 24 Jul 2023 21:20:50 -0700 Message-Id: <20230725042051.36691-31-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259280508100002 Content-Type: text/plain; charset="utf-8" Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Also cleans up some spacing issues. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/um/include/asm/pgalloc.h | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/um/include/asm/pgalloc.h b/arch/um/include/asm/pgalloc.h index 8ec7cd46dd96..de5e31c64793 100644 --- a/arch/um/include/asm/pgalloc.h +++ b/arch/um/include/asm/pgalloc.h @@ -25,19 +25,19 @@ */ extern pgd_t *pgd_alloc(struct mm_struct *); =20 -#define __pte_free_tlb(tlb,pte, address) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb),(pte)); \ +#define __pte_free_tlb(tlb, pte, address) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ } while (0) =20 #ifdef CONFIG_3_LEVEL_PGTABLES =20 -#define __pmd_free_tlb(tlb, pmd, address) \ -do { \ - pgtable_pmd_page_dtor(virt_to_page(pmd)); \ - tlb_remove_page((tlb),virt_to_page(pmd)); \ -} while (0) \ +#define __pmd_free_tlb(tlb, pmd, address) \ +do { \ + pagetable_pmd_dtor(virt_to_ptdesc(pmd)); \ + tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pmd)); \ +} while (0) =20 #endif =20 --=20 2.40.1 From nobody Thu May 16 12:21:07 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1690259272; cv=none; d=zohomail.com; s=zohoarc; b=Vlfqhlk3NlN0SlFiu/asltz99iMAH/Bv/UTzXTu2V7UzloqUu46386RZn4gSVZJEurDO8L5OXz03pE5DPOE7oqUWbbZ4u4VvkaxBrYixEAznsdro41GMrQ3jnl9nha9smPp12rXqhps+3fTf7/ZS3U7b9XwsAN6Vr9NDsaGU1DY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690259272; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=ge3Da1dLlbVImV5jdD/HZRx7aISFPvIvfEGvqleo2SA=; b=f3rml1w+yf11b4bdC1WOc1Yt688ykVlDjKo0G9p38SJiOhASqZMvwb5dDlJmSh7HXGeyOxtW3JAk5KKC3t7hydXADX8dzK4pCNL4L9enTth79S50njNbm7bZ0BPBinm7tt+Rkv2agmXgbh8p1QpuX8uuHwQWS0QaTGzKvuQQBaY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1690259272956859.1800721286729; Mon, 24 Jul 2023 21:27:52 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.569396.890051 (Exim 4.92) (envelope-from ) id 1qO9dx-0005ce-Bo; Tue, 25 Jul 2023 04:27:29 +0000 Received: by outflank-mailman (output) from mailman id 569396.890051; Tue, 25 Jul 2023 04:27:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9dx-0005Zy-1e; Tue, 25 Jul 2023 04:27:29 +0000 Received: by outflank-mailman (input) for mailman id 569396; Tue, 25 Jul 2023 04:27:27 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qO9Yt-00023t-Sk for xen-devel@lists.xenproject.org; Tue, 25 Jul 2023 04:22:15 +0000 Received: from mail-yb1-xb34.google.com (mail-yb1-xb34.google.com [2607:f8b0:4864:20::b34]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d4891be9-2aa2-11ee-8613-37d641c3527e; Tue, 25 Jul 2023 06:22:14 +0200 (CEST) Received: by mail-yb1-xb34.google.com with SMTP id 3f1490d57ef6-d124309864dso1373013276.3 for ; Mon, 24 Jul 2023 21:22:14 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id h9-20020a25b189000000b00d0db687ef48sm1175540ybj.61.2023.07.24.21.22.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 21:22:12 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d4891be9-2aa2-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690258933; x=1690863733; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ge3Da1dLlbVImV5jdD/HZRx7aISFPvIvfEGvqleo2SA=; b=pXw/al5n2PZt63hoen8XWII6rt0WFX5sgjX7qQn8gv0HWFLKnKq3bevtOzYUASugG2 pCxGKJOC5ggVyKCT1VDrwsaEi6MlyxwOLjAg/45BvYDi6yzh+q0BBiRQroW3z59gIlxT qmaJpZ1xyAeP6+U8sI1TI5+kmnURZAb3iR8avL4fKbvg/gsoUc7EkqlV+0gnf4rSHbHI 2YWk0HYiOFW33a4FYfPo9WrS1QN1IRD+XWbKqzPIeVg52ry9QdQcyg/270EcS7s+RywF +5wAnQbinAMNk/Lv6GIEnBeoT41AhvsJSWE+pPOymAwrKRfCNfM+KV2MhemhV91wxD/d 2Dxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690258933; x=1690863733; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ge3Da1dLlbVImV5jdD/HZRx7aISFPvIvfEGvqleo2SA=; b=VWFKR0t9unWmHKxqiyRZqlMbfXGYf9fWSEfYRJYaWGPFy6qwNkAZUWwz6dg0DzAWJa X8iwqD7bpvoLEhv4k8ZMyaI1qwvqiRX7wHpCQntPYQ4ACYEoX19Pv0j5LR69eHR05lMK 92X+U/PmpQQVj24IWm7P+pU9tyF2TcQ1/XNGnPhiwCNcmKwkQ28sFougYYZHy8Rl0eIO oHP4HBEsMre9nvmPqUBxGPRQhnMyTmB50uuBhhRY7kTw6z6Di8w9frsyp9G7UUA5dneH SI1ZmqYlI5xXp7yxVMxneRA7l2UbIoio2gX8vpiMCbKyPC5oMSwyhd7VzpSAArf6gvxe bFvg== X-Gm-Message-State: ABy/qLb2S4mp3k3bZjsUGTXVgdhsk9Yrf6BHi6P+uTC0u2TpE2LNFCyn ECFKnu1+nfx7ZKuYU0OEgqg= X-Google-Smtp-Source: APBJJlGduGUsku2y340xQfxyEpNx6ubFn5qWJpFMniISafhH3MH0EHub+91fIwUA2U73/kY7XLKlHQ== X-Received: by 2002:a25:5087:0:b0:d0e:2e5c:2f80 with SMTP id e129-20020a255087000000b00d0e2e5c2f80mr4416565ybb.64.1690258932878; Mon, 24 Jul 2023 21:22:12 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH mm-unstable v7 31/31] mm: Remove pgtable_{pmd, pte}_page_{ctor, dtor}() wrappers Date: Mon, 24 Jul 2023 21:20:51 -0700 Message-Id: <20230725042051.36691-32-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230725042051.36691-1-vishal.moola@gmail.com> References: <20230725042051.36691-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1690259273717100003 These functions are no longer necessary. Remove them and cleanup Documentation referencing them. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- Documentation/mm/split_page_table_lock.rst | 12 +++++------ .../zh_CN/mm/split_page_table_lock.rst | 14 ++++++------- include/linux/mm.h | 20 ------------------- 3 files changed, 13 insertions(+), 33 deletions(-) diff --git a/Documentation/mm/split_page_table_lock.rst b/Documentation/mm/= split_page_table_lock.rst index a834fad9de12..e4f6972eb6c0 100644 --- a/Documentation/mm/split_page_table_lock.rst +++ b/Documentation/mm/split_page_table_lock.rst @@ -58,7 +58,7 @@ Support of split page table lock by an architecture =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D =20 There's no need in special enabling of PTE split page table lock: everythi= ng -required is done by pgtable_pte_page_ctor() and pgtable_pte_page_dtor(), w= hich +required is done by pagetable_pte_ctor() and pagetable_pte_dtor(), which must be called on PTE table allocation / freeing. =20 Make sure the architecture doesn't use slab allocator for page table @@ -68,8 +68,8 @@ This field shares storage with page->ptl. PMD split lock only makes sense if you have more than two page table levels. =20 -PMD split lock enabling requires pgtable_pmd_page_ctor() call on PMD table -allocation and pgtable_pmd_page_dtor() on freeing. +PMD split lock enabling requires pagetable_pmd_ctor() call on PMD table +allocation and pagetable_pmd_dtor() on freeing. =20 Allocation usually happens in pmd_alloc_one(), freeing in pmd_free() and pmd_free_tlb(), but make sure you cover all PMD table allocation / freeing @@ -77,7 +77,7 @@ paths: i.e X86_PAE preallocate few PMDs on pgd_alloc(). =20 With everything in place you can set CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK. =20 -NOTE: pgtable_pte_page_ctor() and pgtable_pmd_page_ctor() can fail -- it m= ust +NOTE: pagetable_pte_ctor() and pagetable_pmd_ctor() can fail -- it must be handled properly. =20 page->ptl @@ -97,7 +97,7 @@ trick: split lock with enabled DEBUG_SPINLOCK or DEBUG_LOCK_ALLOC, but costs one more cache line for indirect access; =20 -The spinlock_t allocated in pgtable_pte_page_ctor() for PTE table and in -pgtable_pmd_page_ctor() for PMD table. +The spinlock_t allocated in pagetable_pte_ctor() for PTE table and in +pagetable_pmd_ctor() for PMD table. =20 Please, never access page->ptl directly -- use appropriate helper. diff --git a/Documentation/translations/zh_CN/mm/split_page_table_lock.rst = b/Documentation/translations/zh_CN/mm/split_page_table_lock.rst index 4fb7aa666037..a2c288670a24 100644 --- a/Documentation/translations/zh_CN/mm/split_page_table_lock.rst +++ b/Documentation/translations/zh_CN/mm/split_page_table_lock.rst @@ -56,16 +56,16 @@ Hugetlb=E7=89=B9=E5=AE=9A=E7=9A=84=E8=BE=85=E5=8A=A9=E5= =87=BD=E6=95=B0: =E6=9E=B6=E6=9E=84=E5=AF=B9=E5=88=86=E9=A1=B5=E8=A1=A8=E9=94=81=E7=9A=84= =E6=94=AF=E6=8C=81 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 -=E6=B2=A1=E6=9C=89=E5=BF=85=E8=A6=81=E7=89=B9=E5=88=AB=E5=90=AF=E7=94=A8PT= E=E5=88=86=E9=A1=B5=E8=A1=A8=E9=94=81=EF=BC=9A=E6=89=80=E6=9C=89=E9=9C=80= =E8=A6=81=E7=9A=84=E4=B8=9C=E8=A5=BF=E9=83=BD=E7=94=B1pgtable_pte_page_ctor= () -=E5=92=8Cpgtable_pte_page_dtor()=E5=AE=8C=E6=88=90=EF=BC=8C=E5=AE=83=E4=BB= =AC=E5=BF=85=E9=A1=BB=E5=9C=A8PTE=E8=A1=A8=E5=88=86=E9=85=8D/=E9=87=8A=E6= =94=BE=E6=97=B6=E8=A2=AB=E8=B0=83=E7=94=A8=E3=80=82 +=E6=B2=A1=E6=9C=89=E5=BF=85=E8=A6=81=E7=89=B9=E5=88=AB=E5=90=AF=E7=94=A8PT= E=E5=88=86=E9=A1=B5=E8=A1=A8=E9=94=81=EF=BC=9A=E6=89=80=E6=9C=89=E9=9C=80= =E8=A6=81=E7=9A=84=E4=B8=9C=E8=A5=BF=E9=83=BD=E7=94=B1pagetable_pte_ctor() +=E5=92=8Cpagetable_pte_dtor()=E5=AE=8C=E6=88=90=EF=BC=8C=E5=AE=83=E4=BB=AC= =E5=BF=85=E9=A1=BB=E5=9C=A8PTE=E8=A1=A8=E5=88=86=E9=85=8D/=E9=87=8A=E6=94= =BE=E6=97=B6=E8=A2=AB=E8=B0=83=E7=94=A8=E3=80=82 =20 =E7=A1=AE=E4=BF=9D=E6=9E=B6=E6=9E=84=E4=B8=8D=E4=BD=BF=E7=94=A8slab=E5=88= =86=E9=85=8D=E5=99=A8=E6=9D=A5=E5=88=86=E9=85=8D=E9=A1=B5=E8=A1=A8=EF=BC=9A= slab=E4=BD=BF=E7=94=A8page->slab_cache=E6=9D=A5=E5=88=86=E9=85=8D=E5=85=B6= =E9=A1=B5 =E9=9D=A2=E3=80=82=E8=BF=99=E4=B8=AA=E5=8C=BA=E5=9F=9F=E4=B8=8Epage->ptl= =E5=85=B1=E4=BA=AB=E5=AD=98=E5=82=A8=E3=80=82 =20 PMD=E5=88=86=E9=A1=B5=E9=94=81=E5=8F=AA=E6=9C=89=E5=9C=A8=E4=BD=A0=E6=9C= =89=E4=B8=A4=E4=B8=AA=E4=BB=A5=E4=B8=8A=E7=9A=84=E9=A1=B5=E8=A1=A8=E7=BA=A7= =E5=88=AB=E6=97=B6=E6=89=8D=E6=9C=89=E6=84=8F=E4=B9=89=E3=80=82 =20 -=E5=90=AF=E7=94=A8PMD=E5=88=86=E9=A1=B5=E9=94=81=E9=9C=80=E8=A6=81=E5=9C= =A8PMD=E8=A1=A8=E5=88=86=E9=85=8D=E6=97=B6=E8=B0=83=E7=94=A8pgtable_pmd_pag= e_ctor()=EF=BC=8C=E5=9C=A8=E9=87=8A=E6=94=BE=E6=97=B6=E8=B0=83 -=E7=94=A8pgtable_pmd_page_dtor()=E3=80=82 +=E5=90=AF=E7=94=A8PMD=E5=88=86=E9=A1=B5=E9=94=81=E9=9C=80=E8=A6=81=E5=9C= =A8PMD=E8=A1=A8=E5=88=86=E9=85=8D=E6=97=B6=E8=B0=83=E7=94=A8pagetable_pmd_c= tor()=EF=BC=8C=E5=9C=A8=E9=87=8A=E6=94=BE=E6=97=B6=E8=B0=83 +=E7=94=A8pagetable_pmd_dtor()=E3=80=82 =20 =E5=88=86=E9=85=8D=E9=80=9A=E5=B8=B8=E5=8F=91=E7=94=9F=E5=9C=A8pmd_alloc_o= ne()=E4=B8=AD=EF=BC=8C=E9=87=8A=E6=94=BE=E5=8F=91=E7=94=9F=E5=9C=A8pmd_free= ()=E5=92=8Cpmd_free_tlb() =E4=B8=AD=EF=BC=8C=E4=BD=86=E8=A6=81=E7=A1=AE=E4=BF=9D=E8=A6=86=E7=9B=96= =E6=89=80=E6=9C=89=E7=9A=84PMD=E8=A1=A8=E5=88=86=E9=85=8D/=E9=87=8A=E6=94= =BE=E8=B7=AF=E5=BE=84=EF=BC=9A=E5=8D=B3X86_PAE=E5=9C=A8pgd_alloc()=E4=B8=AD= =E9=A2=84=E5=85=88 @@ -73,7 +73,7 @@ PMD=E5=88=86=E9=A1=B5=E9=94=81=E5=8F=AA=E6=9C=89=E5=9C=A8= =E4=BD=A0=E6=9C=89=E4=B8=A4=E4=B8=AA=E4=BB=A5=E4=B8=8A=E7=9A=84=E9=A1=B5=E8= =A1=A8=E7=BA=A7=E5=88=AB=E6=97=B6=E6=89=8D=E6=9C=89=E6=84=8F=E4=B9=89=E3=80= =82 =20 =E4=B8=80=E5=88=87=E5=B0=B1=E7=BB=AA=E5=90=8E=EF=BC=8C=E4=BD=A0=E5=8F=AF= =E4=BB=A5=E8=AE=BE=E7=BD=AECONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=E3=80=82 =20 -=E6=B3=A8=E6=84=8F=EF=BC=9Apgtable_pte_page_ctor()=E5=92=8Cpgtable_pmd_pag= e_ctor()=E5=8F=AF=E8=83=BD=E5=A4=B1=E8=B4=A5--=E5=BF=85 +=E6=B3=A8=E6=84=8F=EF=BC=9Apagetable_pte_ctor()=E5=92=8Cpagetable_pmd_ctor= ()=E5=8F=AF=E8=83=BD=E5=A4=B1=E8=B4=A5--=E5=BF=85 =E9=A1=BB=E6=AD=A3=E7=A1=AE=E5=A4=84=E7=90=86=E3=80=82 =20 page->ptl @@ -90,7 +90,7 @@ page->ptl=E7=94=A8=E4=BA=8E=E8=AE=BF=E9=97=AE=E5=88=86=E5= =89=B2=E9=A1=B5=E8=A1=A8=E9=94=81=EF=BC=8C=E5=85=B6=E4=B8=AD'page'=E6=98=AF= =E5=8C=85=E5=90=AB=E8=AF=A5=E8=A1=A8=E7=9A=84=E9=A1=B5=E9=9D=A2struc =E7=9A=84=E6=8C=87=E9=92=88=E5=B9=B6=E5=8A=A8=E6=80=81=E5=88=86=E9=85= =8D=E5=AE=83=E3=80=82=E8=BF=99=E5=85=81=E8=AE=B8=E5=9C=A8=E5=90=AF=E7=94=A8= DEBUG_SPINLOCK=E6=88=96DEBUG_LOCK_ALLOC=E7=9A=84 =E6=83=85=E5=86=B5=E4=B8=8B=E4=BD=BF=E7=94=A8=E5=88=86=E9=A1=B5=E9=94= =81=EF=BC=8C=E4=BD=86=E7=94=B1=E4=BA=8E=E9=97=B4=E6=8E=A5=E8=AE=BF=E9=97=AE= =E8=80=8C=E5=A4=9A=E8=8A=B1=E4=BA=86=E4=B8=80=E4=B8=AA=E7=BC=93=E5=AD=98=E8= =A1=8C=E3=80=82 =20 -PTE=E8=A1=A8=E7=9A=84spinlock_t=E5=88=86=E9=85=8D=E5=9C=A8pgtable_pte_page= _ctor()=E4=B8=AD=EF=BC=8CPMD=E8=A1=A8=E7=9A=84spinlock_t -=E5=88=86=E9=85=8D=E5=9C=A8pgtable_pmd_page_ctor()=E4=B8=AD=E3=80=82 +PTE=E8=A1=A8=E7=9A=84spinlock_t=E5=88=86=E9=85=8D=E5=9C=A8pagetable_pte_ct= or()=E4=B8=AD=EF=BC=8CPMD=E8=A1=A8=E7=9A=84spinlock_t +=E5=88=86=E9=85=8D=E5=9C=A8pagetable_pmd_ctor()=E4=B8=AD=E3=80=82 =20 =E8=AF=B7=E4=B8=8D=E8=A6=81=E7=9B=B4=E6=8E=A5=E8=AE=BF=E9=97=AEpage->ptl -= -=E4=BD=BF=E7=94=A8=E9=80=82=E5=BD=93=E7=9A=84=E8=BE=85=E5=8A=A9=E5=87=BD= =E6=95=B0=E3=80=82 diff --git a/include/linux/mm.h b/include/linux/mm.h index bd3d99d81984..e4e34ecbc2ea 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2913,11 +2913,6 @@ static inline bool pagetable_pte_ctor(struct ptdesc = *ptdesc) return true; } =20 -static inline bool pgtable_pte_page_ctor(struct page *page) -{ - return pagetable_pte_ctor(page_ptdesc(page)); -} - static inline void pagetable_pte_dtor(struct ptdesc *ptdesc) { struct folio *folio =3D ptdesc_folio(ptdesc); @@ -2927,11 +2922,6 @@ static inline void pagetable_pte_dtor(struct ptdesc = *ptdesc) lruvec_stat_sub_folio(folio, NR_PAGETABLE); } =20 -static inline void pgtable_pte_page_dtor(struct page *page) -{ - pagetable_pte_dtor(page_ptdesc(page)); -} - pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp); static inline pte_t *pte_offset_map(pmd_t *pmd, unsigned long addr) { @@ -3038,11 +3028,6 @@ static inline bool pagetable_pmd_ctor(struct ptdesc = *ptdesc) return true; } =20 -static inline bool pgtable_pmd_page_ctor(struct page *page) -{ - return pagetable_pmd_ctor(page_ptdesc(page)); -} - static inline void pagetable_pmd_dtor(struct ptdesc *ptdesc) { struct folio *folio =3D ptdesc_folio(ptdesc); @@ -3052,11 +3037,6 @@ static inline void pagetable_pmd_dtor(struct ptdesc = *ptdesc) lruvec_stat_sub_folio(folio, NR_PAGETABLE); } =20 -static inline void pgtable_pmd_page_dtor(struct page *page) -{ - pagetable_pmd_dtor(page_ptdesc(page)); -} - /* * No scalability reason to split PUD locks yet, but follow the same patte= rn * as the PMD locks to make it easier if we decide to. The VM should not = be --=20 2.40.1