From patchwork Thu Jun 22 20:57:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13289677 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 340F8C001DE for ; Thu, 22 Jun 2023 20:59:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231671AbjFVU73 (ORCPT ); Thu, 22 Jun 2023 16:59:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231475AbjFVU7E (ORCPT ); Thu, 22 Jun 2023 16:59:04 -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 8C8E91FF2; Thu, 22 Jun 2023 13:58:31 -0700 (PDT) Received: by mail-yb1-xb2d.google.com with SMTP id 3f1490d57ef6-bc43a73ab22so23041276.0; Thu, 22 Jun 2023 13:58:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687467492; x=1690059492; 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=QwvXTPG+SvX1bm+f7lh9ddV99LBkA8HMSnaL5DvtP/w=; b=V7iIPiXuenZc5LxLPVAYTxoBribtdhvsXYi0NcHOJsAsyDJa0lFaEv3HMhCS8nZW6D tBGbKDLUXgq6SXB+UHfoUVwA1VP1oc9uyCsQtJaaWpV0A9i7GdGsTkpa9yZ5PdH4EtVM Ni1Gr88vaVkgSSmwVNY0eyneVDMvJ4SahI/dxEEDmyh7acczYA1fdB5Q85cg9BE7TeJ5 v+qGG39VtOAMjNZakRVRxe4b5fNSSUnmW+YdbvmJDes0xjF1gJ/GuHYdLYvgYUIG6iI6 eUC4zgsXmS8SGsNdBxCv7WeYY6IHbiVQmbpLNYO57IVPmerTWPsJRHKkJEBcDrOn9Fu9 t5Kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687467492; x=1690059492; 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=QwvXTPG+SvX1bm+f7lh9ddV99LBkA8HMSnaL5DvtP/w=; b=WJ3JevVmOQHMxXZcRh/gsHTP3WswkO0kYiNgdLO7yh5HGobJdb9mV0SWl1TZ79pFuO JQ5pqw2636tPOUUGcRDl1QBt3ehmxzQUAHyd+4B/n2EIYfVo9paOy+PbGl7/wggZVItn e3aqyILXPs/c3RpjHpV/m73qz3knEtl7bmLhx8leLGEVFY5wfVam8COhOZYBzK0iQ3Ko TiPX0cFM4c0TWsDTeDgEKfQMp2rQZfwMaE625xT1c3sAGGlnlaTF+MtPTV0ulohuz6BQ 5S+5xbcAI2q/t2XSUPYO9dAvEzQN4fIPusRMxIwvnPE6BMiFvPg2L3VXa7VhO+P7YLq/ pdHA== X-Gm-Message-State: AC+VfDylPrQLTq3XsQmNwVOWnLujZ0Tc/ULLBpSWEPiX47YfhQ0OBVik 2NRNoX2/WkMe+GDkTWa1dxM= X-Google-Smtp-Source: ACHHUZ6ppOE9aJqUa6Cvm3ZqXuUeTC6rF3mEFKF1yW3aWJUSdADhBmOmFOGnjJA0vfHR/02sJ+sTQw== X-Received: by 2002:a25:1406:0:b0:b9d:766d:f72b with SMTP id 6-20020a251406000000b00b9d766df72bmr17309619ybu.31.1687467492519; Thu, 22 Jun 2023 13:58:12 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::36]) by smtp.googlemail.com with ESMTPSA id d18-20020a5b0c52000000b00bc501a1b062sm1684937ybr.42.2023.06.22.13.58.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 13:58:12 -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 v5 08/33] mm: Convert pmd_ptlock_init() to use ptdescs Date: Thu, 22 Jun 2023 13:57:20 -0700 Message-Id: <20230622205745.79707-9-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230622205745.79707-1-vishal.moola@gmail.com> References: <20230622205745.79707-1-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 0b230d5d229a..1c4c6a7b69b3 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2926,12 +2926,12 @@ 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) @@ -2951,7 +2951,7 @@ 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) @@ -2967,7 +2967,7 @@ 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);