From patchwork Mon Jun 12 21:03:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13277538 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FDE3CA9EC9 for ; Mon, 12 Jun 2023 21:08:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239331AbjFLVIS (ORCPT ); Mon, 12 Jun 2023 17:08:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238311AbjFLVH4 (ORCPT ); Mon, 12 Jun 2023 17:07:56 -0400 Received: from mail-yw1-x1135.google.com (mail-yw1-x1135.google.com [IPv6:2607:f8b0:4864:20::1135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 381DD269A; Mon, 12 Jun 2023 14:05:05 -0700 (PDT) Received: by mail-yw1-x1135.google.com with SMTP id 00721157ae682-56ce53c0040so30129677b3.2; Mon, 12 Jun 2023 14:05:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686603904; x=1689195904; 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=CVa9cggtOHSUJO/ogR1wMW2sjtZWNjmDdrC369SVqz0=; b=LGp0peHnuaxYbTi1TrslUjQMitjh+h/buXXjte+rmzMq8EerSk6fzj/9MIVxfmxSpM Omqu6nYebae8kl4QHV1G7ATHJ83nT9wNtbqIHtA4KnlPAvi/4+5X0WEOsthQhJoYwmhG x7qZZcT6GxEhvCZo0gV9yDh1XejrVy2crvGhXSgjUWCF1D9y073Dss7gKb2gKwKJeIqg gITOZuL6QQ3v0Ru0LyolXLQ7MXgbRP8zVbSmn+AuXiGssqL0cYBREi8V1ugxeRNuLvvw 6oKvVZRZlVRzitWHyvf0O6G2XA5TATPVxsClJqIqIlKCoZg9JlGxlBuUR1XF5sExgOF1 +mLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686603904; x=1689195904; 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=CVa9cggtOHSUJO/ogR1wMW2sjtZWNjmDdrC369SVqz0=; b=BXFUltoppuS1OPcv7EBkyxn6E5X3R5kncGQLM95G/5W1YQwjgmthk03mbWZHDA1m/Z FUWiZvM6elQF7QQIBOn9aJ8iqCS8p+FcJdsyHw9Rh7/OnJYcS8J79OxOyTF4+c5mVlls uVi9Hp+rVuMRM25ZRuibbS6fcmV1qQvJyXxVl/aCcTkcv4k4cKLfHyfeEK3DgMXv5piw h2agv9fof5yqdZRBKXYDViimxyTfPwKcGpimN8DyxtGoep0hdFfY8SfxzwuK1s39s3z5 NfJ4B1otGIT3Dvk4w0Z/KOn+dsh607V86ilvvhFMJ0iu9A53CPPZzkpmTbe+KgwJez71 WhgA== X-Gm-Message-State: AC+VfDxVnjZYKLdngVgyI4j6ch6jSEy9n7XAwKgD6DEBQiWWLH3mOoza a7Y8F/cMffDT8BNjGxPCXFo= X-Google-Smtp-Source: ACHHUZ4LesFNmga2zNafYd025bzkWSSIKRSwmwCXoFtNtSsfVvER7X6NaAl79hSVn0sQ3cUacFJw5w== X-Received: by 2002:a0d:eb83:0:b0:56d:7c4:8be8 with SMTP id u125-20020a0deb83000000b0056d07c48be8mr6827241ywe.16.1686603904409; Mon, 12 Jun 2023 14:05:04 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s125-20020a817783000000b00569eb609458sm2757115ywc.81.2023.06.12.14.05.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jun 2023 14:05:04 -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)" Subject: [PATCH v4 09/34] mm: Convert pmd_ptlock_init() to use ptdescs Date: Mon, 12 Jun 2023 14:03:58 -0700 Message-Id: <20230612210423.18611-10-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230612210423.18611-1-vishal.moola@gmail.com> References: <20230612210423.18611-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org 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 bb934d51390f..daecf1db6cf1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2942,12 +2942,12 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) return ptlock_ptr(pmd_ptdesc(pmd)); } -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 = NULL; + ptdesc->pmd_huge_pte = NULL; #endif - return ptlock_init(page); + return ptlock_init(ptdesc_page(ptdesc)); } static inline void pmd_ptlock_free(struct page *page) @@ -2967,7 +2967,7 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) return &mm->page_table_lock; } -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) {} #define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte) @@ -2983,7 +2983,7 @@ static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd) 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);