From patchwork Mon Apr 17 20:50:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13214604 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 8AAEFC87FE4 for ; Mon, 17 Apr 2023 20:53:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231277AbjDQUxe (ORCPT ); Mon, 17 Apr 2023 16:53:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230463AbjDQUxW (ORCPT ); Mon, 17 Apr 2023 16:53:22 -0400 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 82C0B3ABC; Mon, 17 Apr 2023 13:53:01 -0700 (PDT) Received: by mail-pj1-x102b.google.com with SMTP id cm18-20020a17090afa1200b0024713adf69dso15384045pjb.3; Mon, 17 Apr 2023 13:53:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681764781; x=1684356781; 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=Hc0m/U8RaSqOAaIvHe2pZ8la6AwQPtvql1ppirfWYYQ=; b=FTIIrhTe8vfWt4jgLQ0zryZ+NfsJ/OFhYpHyrwEJjHtN6fYrjayv1wmbuEiWrZWNBG Ab6oC0JEVFKaVtr5ERs/HGyia4m0cuJPp54Y6qKJvGxwoWwnKA3jL+mq6GAMCgFGvFWn bEbIp/iuCRzaSQasJ9iYfHsEIZ8C5L6UBjIsqJjVLRNCdj3wFA0VCJaoyvqsQShlPxAr nn14k2m42+J6xR2hfl2ffw8tFItkZsF+DKNsuBC18vZWoMB4mE4FcDOZiJ4pqP0DqYky PjLPxBMY5gAsTXZg/iGvnD4lxFGHfkuFymQLt7EWHTlIBpCDY+iSj33ZpMo6EFdNFztz HYrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681764781; x=1684356781; 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=Hc0m/U8RaSqOAaIvHe2pZ8la6AwQPtvql1ppirfWYYQ=; b=MTFMeBxFMlPbgAe5gYqCXZTaw1wzkjlqBV6krtmQ9Amzi1k62NjZeWlQqzKGUhGV55 sg6x579oVVBiexyhtTL1fucKn3270FFTjbeUh9v/nSpEweiYdGkh0zaj1ak+ofrsyPYR u9nmQxWUPWGbuySfgrPb3PCWzQA+bMLEpyCWbekM7X+ZukbFqluRVt0anMJlXGHQqGDr RFY003M4l/m8r1CELKeGg8BVxD90UabnU6K3PnDB/APXWTTNnvNcwk9UPuT6hJc0vYB0 yeW/ua7KjCyH2os7XZnq4qFp4zVezpAJoIAtyQJaUz4R7FLznevbRRBFwg/Cx7af3rFK weAg== X-Gm-Message-State: AAQBX9eVh7ATQfmX06/mkym2Q0pU5doLxJkujUu3Ua7e8uwnTm85GZAH huOgKOf/lB/+3fcS99j3sMs= X-Google-Smtp-Source: AKy350ZMofF2taT9lCtSfGwXj3mTLikp6R4dNTLL/p579XSegIqzslR/71TUEAWTkG6EWBZpLey91g== X-Received: by 2002:a17:90a:d143:b0:23b:2c51:6e7 with SMTP id t3-20020a17090ad14300b0023b2c5106e7mr16554327pjw.21.1681764780697; Mon, 17 Apr 2023 13:53:00 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::c139]) by smtp.googlemail.com with ESMTPSA id h7-20020a17090ac38700b0022335f1dae2sm7609707pjt.22.2023.04.17.13.52.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 13:53:00 -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 11/33] mm: Convert ptlock_free() to use ptdescs Date: Mon, 17 Apr 2023 13:50:26 -0700 Message-Id: <20230417205048.15870-12-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 +++++----- mm/memory.c | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 2390fc2542aa..17a64cfd1430 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2787,7 +2787,7 @@ static inline void ptdesc_clear(void *x) #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) { @@ -2803,7 +2803,7 @@ 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) { } @@ -2844,7 +2844,7 @@ 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) @@ -2858,7 +2858,7 @@ 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); } @@ -2916,7 +2916,7 @@ 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 37d408ac1b8d..ca74425c9405 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5937,8 +5937,8 @@ 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