From nobody Mon Feb 9 03:29:25 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=1682969373; cv=none; d=zohomail.com; s=zohoarc; b=LL4p4dPh7pS1cSPJqGP+fh4/INrNRYEVt34vNExDr82pyPKKLBD70YR/75OmrTIfJyaPUiL5jBs3/MUoG2yvImliXr9j0zzKNB5Xgm9kCcnOtYIDvQvpF8v26+KPQ57wB4fqYASNXvlC4L2761/HTG09MaAax0rp6BQLu3Lm4w4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1682969373; 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=Mt3HE6L47sPJBYnAKPMz0/DxNRKvA6oRz72+XbjGX9E=; b=hnTJ/zkXkRJlPP+8MM7Gjur748dGDfu+i0HkqjceGzAbpXEDS10CqIuQvz/YNGpK2MaLqXlEhguYIhm8P+Cw6qoCdxqNWXrP46I2NBGPIRMESyFik1u+lIg+3cPKFgxA6MRjUESaiIoWKMYGFFIv0shrLKL3owkURnZqEMU7w6g= 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 1682969373866592.9124787430903; Mon, 1 May 2023 12:29:33 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.528091.820782 (Exim 4.92) (envelope-from ) id 1ptZCh-0001In-3W; Mon, 01 May 2023 19:28:55 +0000 Received: by outflank-mailman (output) from mailman id 528091.820782; Mon, 01 May 2023 19:28:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1ptZCg-0001HT-NY; Mon, 01 May 2023 19:28:54 +0000 Received: by outflank-mailman (input) for mailman id 528091; Mon, 01 May 2023 19:28:52 +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 1ptZCe-0006FS-S4 for xen-devel@lists.xenproject.org; Mon, 01 May 2023 19:28:52 +0000 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [2607:f8b0:4864:20::436]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 67394254-e856-11ed-b225-6b7b168915f2; Mon, 01 May 2023 21:28:52 +0200 (CEST) Received: by mail-pf1-x436.google.com with SMTP id d2e1a72fcca58-64115e652eeso29038905b3a.0 for ; Mon, 01 May 2023 12:28:52 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::9a2c]) by smtp.googlemail.com with ESMTPSA id u8-20020a170902bf4800b0019c13d032d8sm18175622pls.253.2023.05.01.12.28.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 12:28:50 -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: 67394254-e856-11ed-b225-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682969331; x=1685561331; 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=Mt3HE6L47sPJBYnAKPMz0/DxNRKvA6oRz72+XbjGX9E=; b=bRmqBPTZgCa5IrhecvrTPyLDuab4M/2pWmm67Ij9kB88cqyNYvHpKZf2c822tlLINs V7g4wokwjyA5yoaxqgkTwqtzjgfghwoIfl0NbPXtXdg2Gw3C4PIS2FYz/KLko7etiChc s5Y++dzV39ZBew8o5WYNHoWZR+E9Lx1p8UATOni2Z3kTd3MdcR3ji+KJhcCE5jLMM79j 4rcgjvbB4U2t2rwTpoiUyWgvBTuTWbg65E+Konk9GYsk7NMgNhoUvQ9jMEmXFDz/6lzW 5y5R3ETL6C6d8IdLyMxau5jgOeNqS9ewzuT1HexEBx4VHGUimuQrmfTb2llKzaIBnzUu BV2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682969331; x=1685561331; 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=Mt3HE6L47sPJBYnAKPMz0/DxNRKvA6oRz72+XbjGX9E=; b=ffSG/0GCjz3zNdpHkJ+G7LNMN/+dvWjxSkdN4x5RiI+r/2S+eMtgsl3TQp1RyOtiLe hg8g6ucqu5VfHXT/25A57f+zzWMiS+Xf75vQm/3T2WvtcQ5KpioDt8DY63qDOX3QEDbV X0AYWmzTZILiglR/ay9LPdG2h9dIo/yOE00IOYbftmb1TM8LJIXjs1s5lG/qQeGu9DFS HA21nB/uHrVXBniNFKG3h61zDj3Yow/ewgu6kZxqBZh+HpCXeMMh43iO/dPjhmBMZWwN 5GkAPeCG2zLq6V9cbOJ4+c7jdoRog47YQiusHCAxaNxMytlY+z0L7Ze8G0+Kn90xlN2I +NyA== X-Gm-Message-State: AC+VfDzBTqFrUT3Lx7SRF6c6cst6CUfVfX+Y6PGos6vPRotq5tWvaCDk fMNHSu2T8pM1C5S53UklrGQ= X-Google-Smtp-Source: ACHHUZ6xNyoMsdtkeuJYwr4JFA16W7bSDCfft0wt/spwymptVQy+yHqySIROmads3b5d2VYC5oAliA== X-Received: by 2002:a17:902:ced1:b0:1a9:3c1d:66de with SMTP id d17-20020a170902ced100b001a93c1d66demr18699403plg.15.1682969330907; Mon, 01 May 2023 12:28:50 -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, "Vishal Moola (Oracle)" Subject: [PATCH v2 12/34] mm: Convert ptlock_free() to use ptdescs Date: Mon, 1 May 2023 12:28:07 -0700 Message-Id: <20230501192829.17086-13-vishal.moola@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230501192829.17086-1-vishal.moola@gmail.com> References: <20230501192829.17086-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1682969374330100009 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) --- 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 a2a1bca84ada..58c911341a33 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2787,7 +2787,7 @@ static inline void ptdesc_clear(void *x) #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) { @@ -2803,7 +2803,7 @@ 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 @@ -2844,7 +2844,7 @@ 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) @@ -2858,7 +2858,7 @@ 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); } @@ -2916,7 +2916,7 @@ 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 ba0dd1b2d616..7a0b36560e28 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5950,8 +5950,8 @@ 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 2.39.2