From nobody Mon Feb 9 20:34:22 2026 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=1691449674; cv=none; d=zohomail.com; s=zohoarc; b=nukfFHz3JSM5C/3AK61i6i/lGPPnc881qt4LUol0t+gkVB/8TpzUJ1sK626WGIrqGZtn+WqPhy2YfpgmKjIbDrBFaXgw/4ATJgNIPefptBWPvAlJ7aM6FDFsBJBu9Pa1L+fwYiop1zHYf5LZPtY8xJGrucCkoxCgapm5uX0k8Uc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1691449674; 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=SCvcoKWLGx6gAjym9VWVFszZElqPM/KxU0nQCUs9lhU=; b=jg1lE/vL4bYCJMiV81WodF3NjuqwihuhwqFsYakKDdnjlEHyALJTnA8gtuMa36l09Yhbn/I9UicRtNExmvIJNoJoTSHAHciN8/qNg/l6/A2+fz2ifpKxjQ0ywYqHf7ySuQvawTaL9nUBuJGiY50e7jpz8iQ/gwEH1+tHQtnd0yY= 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 1691449674463474.3299678104345; Mon, 7 Aug 2023 16:07:54 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.579045.906931 (Exim 4.92) (envelope-from ) id 1qT9K0-0002zd-7x; Mon, 07 Aug 2023 23:07:32 +0000 Received: by outflank-mailman (output) from mailman id 579045.906931; Mon, 07 Aug 2023 23:07:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qT9Jz-0002y4-O5; Mon, 07 Aug 2023 23:07:31 +0000 Received: by outflank-mailman (input) for mailman id 579045; Mon, 07 Aug 2023 23:07:29 +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 1qT9Ie-0001NS-Ma for xen-devel@lists.xenproject.org; Mon, 07 Aug 2023 23:06:08 +0000 Received: from mail-yw1-x112e.google.com (mail-yw1-x112e.google.com [2607:f8b0:4864:20::112e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id fcbd8f71-3576-11ee-8613-37d641c3527e; Tue, 08 Aug 2023 01:06:06 +0200 (CEST) Received: by mail-yw1-x112e.google.com with SMTP id 00721157ae682-5768a7e3adbso87638447b3.0 for ; Mon, 07 Aug 2023 16:06:06 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id d190-20020a25cdc7000000b00d3596aca5bcsm2545203ybf.34.2023.08.07.16.06.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 16:06:04 -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: fcbd8f71-3576-11ee-8613-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691449565; x=1692054365; 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=SCvcoKWLGx6gAjym9VWVFszZElqPM/KxU0nQCUs9lhU=; b=UEUmdRWyflXklFyhNX736vuEaqgiuaE747b2iDMdbsntaDVnz91uxqlH5BcdgyOH5x uvJaTvPkpQGN9akIqApZ8zKHvLZguej6njtjOnVMX/cM5jmsFezl/LYYVYVkbeho4b0z HHNTILzp+Xc4v6kzsuUo73oAPiN0CJazQDUAwcPLlet/lIEFQgMVrv8B24qA6Hz5wjkw b8w6Ifa5zhm6L11dsVrnJ9eA4XJTM6QxI5QWilhFcSjtgNKdoGywloLoSOAO6BZpBMSb 8CiRrKjceUBw/RGFjWiyE5TzR9GZJ5T3ThAn9ujnfgeZbAfe+0n8PqgNKPCIQtpGYCsJ QRzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691449565; x=1692054365; 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=SCvcoKWLGx6gAjym9VWVFszZElqPM/KxU0nQCUs9lhU=; b=R3JunrGGIQG4Q5OK2PgYMTv1KGtPqRpCwyJobbEGp9haYT7vep3l4hkE/VQYH++fYD KarZ6YZrbkZCUVdkkBlsJMaTJoXg29ivTwpUJjCDD/1/bmz1JDU9ZaybWm42CtQ4dYqk h6g1vByCcFsfJPkamPkdK8TmRqK9kqNX33Mf8wSxX2rfL7PrB6b7Yy8gg02+hnCLQFPz WqMzODD3i/AnMeGXGpk+WJtjy67hGPPtS6lFLCO4zukAIMdmvGDQ3RdultwbFfgnG15F NjjjmDSgvlzEKS/wdX6F7aRnGy2v9ah7i9BXzhPiV7wv58wI5IcBAePP+lo5+vBbq78b GKYQ== X-Gm-Message-State: AOJu0Yzxxp94PQD0eNt918+CMDtmGiHxVoGeT/Cv+CQcRt8WwyiohYdS ubtgaGEKZ8H/g3qcooQ0F3s= X-Google-Smtp-Source: AGHT+IEqzmUPQsWPkdBtUj3V9QXK122J73o4hp/g5UvHeQgKIN7qrVubtY48PFSpogl4MBW4UXPeVQ== X-Received: by 2002:a25:944:0:b0:cb4:6167:a69c with SMTP id u4-20020a250944000000b00cb46167a69cmr9868214ybm.8.1691449565251; Mon, 07 Aug 2023 16:06:05 -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 v9 23/31] mips: Convert various functions to use ptdescs Date: Mon, 7 Aug 2023 16:05:05 -0700 Message-Id: <20230807230513.102486-24-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230807230513.102486-1-vishal.moola@gmail.com> References: <20230807230513.102486-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1691449675580100006 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. Acked-by: Mike Rapoport (IBM) Signed-off-by: Vishal Moola (Oracle) --- 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