From patchwork Wed May 31 21:30:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13262636 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 54802CA9EAC for ; Wed, 31 May 2023 21:32:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229604AbjEaVcE (ORCPT ); Wed, 31 May 2023 17:32:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230169AbjEaVbs (ORCPT ); Wed, 31 May 2023 17:31:48 -0400 Received: from mail-yw1-x112d.google.com (mail-yw1-x112d.google.com [IPv6:2607:f8b0:4864:20::112d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13112196; Wed, 31 May 2023 14:31:28 -0700 (PDT) Received: by mail-yw1-x112d.google.com with SMTP id 00721157ae682-565c9109167so783367b3.2; Wed, 31 May 2023 14:31:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685568687; x=1688160687; 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=M8eY/8E6JF8s/V5NNW8TZkaDOnTKuaiqrBMcG8UrW5A=; b=F74YoiyArmyQwVgOOUW2kfK/7YQSeytT5Qdq4W7jztqrHFW+OxsR62y2z0sZiEV/Pj CHUjkMgQ+tHkrFh4S6EPBTtuP0+8wu5BQZyij+e15SnoNrkShPqGZvWdjF5BKJMv2Qv9 d//2kHJUZF8y/wk4PqE5bOyyg7AT91rLlQi2SzidEtRHvmTf0yi6wamtogBgC9EY9N9P uw5EAPHRhzcCUSce1FYm7EE8CHhgk2SNgdWG+thFtb+Fd9K9ZtkE1HL6Lqu8zbrIjBxa OBo4gwjzqO/AwYTPpiaC4MdC5Mq0f0RkoLNLDnNUh3I4ll9vsxHX0eJNI6QQ67EeV90U TdMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685568687; x=1688160687; 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=M8eY/8E6JF8s/V5NNW8TZkaDOnTKuaiqrBMcG8UrW5A=; b=DKpMMPNvD1O3ESv4NwI/AeEhN7IG1ALdGQ0cInnpZ2BfgCDZc7S6DWrU0OrvvnG4JB jfZZ9D1iyDiEisq42A5r2jrBKKt9GuqTzSCkq6eaVNeUpxZLQoiNuH/1clQHgo+uTLaW YZuDKqESs8iZTNMGv7JGn7gjA3vZ8+uhgHdmETlGS6RhTeFcUSMvwFCQtmXu5TpD40UU sQPJA3kKpv+qXrwKf7TWCdcISEVcwHyXyECBCDZ74EO0SIg+pJuVgK9ivzY7WqH4HBWy KmbiB3kQteN7441LFQyLMlLXZ4MAvuGjukGDT2LxtZ+ajZ9Bed8x/I4q5GZA90oKOaOH XxzA== X-Gm-Message-State: AC+VfDzy0ZMo91V8AlkLlbmmilE512L2JC+AwWBBk6xcnRCiBF8xCSnr wP7qrZmUFAJUZ/O8A9vasIw= X-Google-Smtp-Source: ACHHUZ7+UFYbIzpavTgJ7f/w4fvGAPRL0PNa3hATkUDplqTdJkdO52BS/n5X3DMJ5Uv/pNitevHZ/Q== X-Received: by 2002:a0d:dd92:0:b0:568:be91:c2c0 with SMTP id g140-20020a0ddd92000000b00568be91c2c0mr6597562ywe.6.1685568687247; Wed, 31 May 2023 14:31:27 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::46]) by smtp.googlemail.com with ESMTPSA id t63-20020a0dd142000000b0055aafcef659sm658905ywd.5.2023.05.31.14.31.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 May 2023 14:31:26 -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 v3 09/34] mm: Convert pmd_ptlock_init() to use ptdescs Date: Wed, 31 May 2023 14:30:07 -0700 Message-Id: <20230531213032.25338-10-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230531213032.25338-1-vishal.moola@gmail.com> References: <20230531213032.25338-1-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) --- 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 6f7263fcd821..8e63e60c399c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2923,12 +2923,12 @@ 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) @@ -2948,7 +2948,7 @@ 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) @@ -2964,7 +2964,7 @@ 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);