From patchwork Mon Jul 31 17:03:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13335163 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 A24D2C0729B for ; Mon, 31 Jul 2023 17:05:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233241AbjGaRFG (ORCPT ); Mon, 31 Jul 2023 13:05:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231524AbjGaRE1 (ORCPT ); Mon, 31 Jul 2023 13:04:27 -0400 Received: from mail-yb1-xb2d.google.com (mail-yb1-xb2d.google.com [IPv6:2607:f8b0:4864:20::b2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64DB426B5; Mon, 31 Jul 2023 10:03:53 -0700 (PDT) Received: by mail-yb1-xb2d.google.com with SMTP id 3f1490d57ef6-d1c988afebfso5035202276.2; Mon, 31 Jul 2023 10:03:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690823032; x=1691427832; 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=YUReldkgnetLqvGL1NS71WdWnAzNWWYQnltnVm2rTkEUcOO9WrPWjz/VupfwLsV4R5 O5U+HAQBX2TEiL7rUmM64hTiM4qIIq6sg/drG9M/BGuBJ33Wydz1s/G+0U+eMZJumoRB f1161HPnuyBRb78dTfpgaCSHu9Qo0gegUmxh0kC4FT9lRFkm1YwjVBx9HbpfTIAYT8q1 zvd8Be582ZnNdhPs3i3IT6jC/uh09at7IMfH8Z/47sZBuFG6ajCrrTeAaD1eGKL98sQ4 Picd2DUZ0mNQhUFLQyvKhXnHde4rCRB/z+5yBj02B6B5K38q9rbIBp+H/OlzOyaGOHuW 1Lvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690823032; x=1691427832; 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=AcdhJO6zg4vvukTneY3IHdJeRhOa+rNtg4NdXQRqZNmasgVMR9nkGlQO968blKDP7V wjJ3M+hMf5W24SiWmUe9urCkvJlBInkhUqTYHhdcU1hSNNMmcnVWDt7+OXZtZEFU9J3H lZVW4iPRtO8onwTGw2qwUIh/i81HH15J5tj0MKcZbsPG6UCCsIGpPMklkBuEA4+NvznW k5obN/rtJbPErYgtpNkBy+WBf+BHKulv9AtmrHONUvrGi6jaw/Rl89fMlaRWCwwKIJh4 wn8fip2HJo3Q72MkzV5ESqglvw8VYVj8PdDY4o8F4J33351UesassSRTbfbSb36Bw7hI LWCg== X-Gm-Message-State: ABy/qLZ2NUttH1vj5nOyl2Q4Ig+aJ/WfryT+G4+G3xxTYpjznspDnZGg Y/iQmpga9S4W+DboJIaCESI= X-Google-Smtp-Source: APBJJlHh2ZxIPqvNCWcG3uzKtYIqmu+SYBCgcUqQThaKL5dLb97zd0arq7kj2mXQ9GbTc2zqN8ZRqQ== X-Received: by 2002:a25:84:0:b0:c67:5adb:36fc with SMTP id 126-20020a250084000000b00c675adb36fcmr11678833yba.38.1690823031787; Mon, 31 Jul 2023 10:03:51 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id x31-20020a25ac9f000000b00c832ad2e2eesm2511833ybi.60.2023.07.31.10.03.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Jul 2023 10:03:51 -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)" , Mike Rapoport Subject: [PATCH mm-unstable v8 07/31] mm: Convert pmd_ptlock_init() to use ptdescs Date: Mon, 31 Jul 2023 10:03:08 -0700 Message-Id: <20230731170332.69404-8-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230731170332.69404-1-vishal.moola@gmail.com> References: <20230731170332.69404-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@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 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_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) @@ -2999,7 +2999,7 @@ 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) @@ -3015,7 +3015,7 @@ 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);