From patchwork Mon Jul 31 17:03:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13335165 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 9965FC07E8B for ; Mon, 31 Jul 2023 17:05:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233951AbjGaRF0 (ORCPT ); Mon, 31 Jul 2023 13:05:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233704AbjGaREo (ORCPT ); Mon, 31 Jul 2023 13:04:44 -0400 Received: from mail-yb1-xb31.google.com (mail-yb1-xb31.google.com [IPv6:2607:f8b0:4864:20::b31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A06BA194; Mon, 31 Jul 2023 10:03:59 -0700 (PDT) Received: by mail-yb1-xb31.google.com with SMTP id 3f1490d57ef6-d1c988afebfso5035285276.2; Mon, 31 Jul 2023 10:03:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690823038; x=1691427838; 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=7EZnRhm4Fj3KaK4sFjI+P1mIVDNOtVXSgVauozi7/LE=; b=TvM6DExj/MTq0Jm70GY7llkizJv0Xrt3jOhv1061u2jelnUc+8n8NrIEW+BAV0minS 1tyB2hh96LoZso6xWTQsTKE9iOzQkPYOcn2oO7CJPClzabUQT8JEbqLe1hGOluEbesF4 LKkTfn07m+I0Vuueep3IFUQUJltM6JJHBDBn8n653IK02ME5fuHReejoNwtCex5xQyzn Y1wOj8DVfr6r9eQ6TYR15inSR6hHDxry08oKRDaKIhjxxmp2hbT5OuHr1D1+R6xelNHE JPdzrcJvaKmiiybVsDU25/RyZDaqIgMV6uxOUr6sp0q3qR3F0X4P6bOEInakDYMw/wf5 mu/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690823038; x=1691427838; 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=7EZnRhm4Fj3KaK4sFjI+P1mIVDNOtVXSgVauozi7/LE=; b=LgE2HaGrY8oUtxfUP1cKzLsVCmjou8HZD8j0NxeQgTlrFgQhAuj7GptX1vIsJMBdIc PRGZFiEBLQ3U/e2Q1Dbtl6TPqhWruFMFWzxjKaCnsyQg30fCMM3kF/jdBwqy2H6YdCEn FRVEDmxO9v5131QQK9iOZgUrGSTsDuAy/i5+QMJByrF+alnQQVwkBYCrXElkjrojXqu5 Z/e1BR3XyAdBDDizQAla4HcUqwfIKZYIndK0jHxEonoY8lDwWo4t6dvBq8x+6YCeOiiT QF4FsQ2wmXbhDdCDCgeS7yf9UOGpVYhsmV3ZK+iDnsws6hEHAmUxZqUa+Jw0VY5caZpS /KVw== X-Gm-Message-State: ABy/qLbhYpRL7JCqNFKTc9UmvgnZI55Ht+yS+ZLw+XBJFE82BAPhXXer UHEtKOcNeCvEbIg/Y1ameYo= X-Google-Smtp-Source: APBJJlH90WRLRIm5YDV2YMBRfelNi7WH7+bbsrmY7NpvynPWnsTYJfLOq9UWydp0DqF9z3jWR7ijAw== X-Received: by 2002:a25:e08b:0:b0:d18:e435:bdc0 with SMTP id x133-20020a25e08b000000b00d18e435bdc0mr11858543ybg.57.1690823037763; Mon, 31 Jul 2023 10:03:57 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id x31-20020a25ac9f000000b00c832ad2e2eesm2511833ybi.60.2023.07.31.10.03.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Jul 2023 10:03:57 -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 10/31] mm: Convert ptlock_free() to use ptdescs Date: Mon, 31 Jul 2023 10:03:11 -0700 Message-Id: <20230731170332.69404-11-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 +++++----- mm/memory.c | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 774fe83c0c16..ffddae95af78 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2842,7 +2842,7 @@ static inline void pagetable_free(struct ptdesc *pt) #if ALLOC_SPLIT_PTLOCKS void __init ptlock_cache_init(void); bool ptlock_alloc(struct ptdesc *ptdesc); -extern void ptlock_free(struct page *page); +void ptlock_free(struct ptdesc *ptdesc); static inline spinlock_t *ptlock_ptr(struct ptdesc *ptdesc) { @@ -2858,7 +2858,7 @@ static inline bool ptlock_alloc(struct ptdesc *ptdesc) return true; } -static inline void ptlock_free(struct page *page) +static inline void ptlock_free(struct ptdesc *ptdesc) { } @@ -2899,7 +2899,7 @@ static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) } static inline void ptlock_cache_init(void) {} static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; } -static inline void ptlock_free(struct page *page) {} +static inline void ptlock_free(struct ptdesc *ptdesc) {} #endif /* USE_SPLIT_PTE_PTLOCKS */ static inline bool pgtable_pte_page_ctor(struct page *page) @@ -2913,7 +2913,7 @@ static inline bool pgtable_pte_page_ctor(struct page *page) static inline void pgtable_pte_page_dtor(struct page *page) { - ptlock_free(page); + ptlock_free(page_ptdesc(page)); __ClearPageTable(page); dec_lruvec_page_state(page, NR_PAGETABLE); } @@ -2987,7 +2987,7 @@ static inline void pmd_ptlock_free(struct ptdesc *ptdesc) #ifdef CONFIG_TRANSPARENT_HUGEPAGE VM_BUG_ON_PAGE(ptdesc->pmd_huge_pte, ptdesc_page(ptdesc)); #endif - ptlock_free(ptdesc_page(ptdesc)); + ptlock_free(ptdesc); } #define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) diff --git a/mm/memory.c b/mm/memory.c index 4fee273595e2..e5e370cdac23 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -6242,8 +6242,8 @@ bool ptlock_alloc(struct ptdesc *ptdesc) return true; } -void ptlock_free(struct page *page) +void ptlock_free(struct ptdesc *ptdesc) { - kmem_cache_free(page_ptl_cachep, page->ptl); + kmem_cache_free(page_ptl_cachep, ptdesc->ptl); } #endif