From patchwork Mon Apr 17 20:50:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13214602 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 C341CC77B76 for ; Mon, 17 Apr 2023 20:53:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231234AbjDQUxa (ORCPT ); Mon, 17 Apr 2023 16:53:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230420AbjDQUxU (ORCPT ); Mon, 17 Apr 2023 16:53:20 -0400 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F8B055BE; Mon, 17 Apr 2023 13:52:57 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id kh6so25752521plb.0; Mon, 17 Apr 2023 13:52:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681764776; x=1684356776; 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=I0S9vHWOxLue2VyFd3w8q0WLRZoA25NyvyllT+RcawU=; b=XGW0pwJ3AeguS3BSEjZkQda83npB8B7RbJEymTCypauBOGiv3vWjnUTzzYfl8eoJ/G l8vpSac3iXyBMdZp/fMD6sum0gW4MOCVqLS502CXgyi0RUYYf3ntgvAGSXGBolZoNn2i V+ToiFcIdhtDlP2wctGltXpdu2C91rdsIF1S9oPOQ0O7Jf0vF/Q8QloTMvDXpKn4JpZo XwyusDwNIWazvsnj/elh4vmpM936WP8JEzePXhLQ+OdbmLb8t8oYaUiKKrqV8mjQTuNV U8/37jTeHtYYWs9KLzMjZZ9An2VnMVkd7CaDSgdHdeupgwKBIBRRGFzwxZa8/Q4lnujL ZhVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681764776; x=1684356776; 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=I0S9vHWOxLue2VyFd3w8q0WLRZoA25NyvyllT+RcawU=; b=KZlY1HzzKPSbFWRaXF66Ie3cRd13jv758/WiX6vBBBHtCUPeBIToawl9/GyUPtrHbh +SfttTRwU1BhgknWdycvDTR06Ly4pgsu3atrbBeWZrBUfo/HB2uZoZ+mRfUXXD0gJy// 7cWVmOmwpkv1NUMtcWSMG8EkFu15EwgKaKa6t+Au69tjvOG/hYddkSA4Vm6x/eiQfqVJ xS7I5WR6Vn0e+qEyCqwcX8DDPVew4wxWbIEzKfh1MsRbQAJCaGfesEutHQgkz70dF1aD aintFV+wevjD0bw5O6yabojOwvxY3s8/x4qen6nzN6PhhuI8UP/QfiV5hT+3sboew1Gi tX8g== X-Gm-Message-State: AAQBX9cy99mOk27DLDaiVpCGbBSLhYGTEXNNdrBxWUZH3H9V5Ermsjqr A7i8ZLIezsn6s1LWMckq3IM= X-Google-Smtp-Source: AKy350ZxT8mmBCzqXXqE8vhbMJvpIdAkvQhshhpl/b9NVru4kEOX264b08aZJzrt7Emcu03WoO14SQ== X-Received: by 2002:a17:90a:3fc8:b0:23d:15d8:1bc3 with SMTP id u8-20020a17090a3fc800b0023d15d81bc3mr16271900pjm.39.1681764776607; Mon, 17 Apr 2023 13:52:56 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::c139]) by smtp.googlemail.com with ESMTPSA id h7-20020a17090ac38700b0022335f1dae2sm7609707pjt.22.2023.04.17.13.52.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 13:52:56 -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 08/33] mm: Convert pmd_ptlock_init() to use ptdescs Date: Mon, 17 Apr 2023 13:50:23 -0700 Message-Id: <20230417205048.15870-9-vishal.moola@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230417205048.15870-1-vishal.moola@gmail.com> References: <20230417205048.15870-1-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 ed8dd0464841..7eb562909b2c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2903,12 +2903,12 @@ 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) @@ -2928,7 +2928,7 @@ 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) @@ -2944,7 +2944,7 @@ 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);