From patchwork Tue Jun 27 03:14:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13293765 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 A5D03C0015E for ; Tue, 27 Jun 2023 03:16:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230489AbjF0DQ3 (ORCPT ); Mon, 26 Jun 2023 23:16:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230373AbjF0DP5 (ORCPT ); Mon, 26 Jun 2023 23:15:57 -0400 Received: from mail-yw1-x1135.google.com (mail-yw1-x1135.google.com [IPv6:2607:f8b0:4864:20::1135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A87C1BEE; Mon, 26 Jun 2023 20:15:31 -0700 (PDT) Received: by mail-yw1-x1135.google.com with SMTP id 00721157ae682-57688a146ecso35954597b3.2; Mon, 26 Jun 2023 20:15:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687835731; x=1690427731; 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=bhgUYiKwQSwYMGFv9d1r56wjiuPfdLCT9N5JwdJpvSY=; b=NN6JuQbcJSEhuQl119fqyrzmvfTJLSgZNGPIizHO44moV6zy7vRkkkGbpzNnm+T/zk LfpssTQxYHLCLcRT6ur03GhfUH0PR3hr1gEAZWn4KlOVQ/bRaXKu0XwyzIXh7FK2T78w GV5aBHngJRtwmpryMrqg1wnpyNcK63Z6rXozTP8pqdze8wtkdCn+4d6Nxd1VmHHTwiSp Hj2gVskjJaa7d3mxLgebdTWNoaiyWHEkTnVETMwzQNfFNqae/PKVEKJL0sEqbBCs/7Gc Lg3rR1WUfvzFXQfsjuyOG1PSX82wJS5wL2NRG2ks6qk/cPnX1GTuY36dOOOiPPB0JsGq 3KdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835731; x=1690427731; 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=bhgUYiKwQSwYMGFv9d1r56wjiuPfdLCT9N5JwdJpvSY=; b=QogoTcefqDYcCcRm+HwFr4hoIq4+4uNaUyNyncjwA37jNVxd0Mh3k/TCQucX8hPGoD AfLH8YWJ9Cf6izt7159CEoPvJWu2scWQpODelawQkeEQlLo9xOSvKY3ItoyzZJgRPwJ8 y7158B1kAL83MJjJ+eDGr9nNnCwOm0PDVZ4D79xcxI0VfeI4o/AjgEc8jXokMgM+N4EB D9Y7Oxf9jFcPebqrWLN7nW0zYwwXFopnCnzb7TcyTBT6j1zjwSzfrqgZnJkjB4Y+QYCw 77yHF9C+jVjMKvCpxn33z6AO4zAs0WFvtK+1Ilb5tY2WjiB/mn0Hvpc2+/nzd9blgUgT PDKA== X-Gm-Message-State: AC+VfDyhfQj1S3rw/qzcALkDe+uKZyff2l9aCaf2E760DXT4ndbjEGE+ UkbU3pCQldHDZAUUTTWFhms= X-Google-Smtp-Source: ACHHUZ77IlfDYtyaiNtbQBvQ+hst+uMDswEhJokbRedTnkaskK+XBmCINjFgoTdvnk/TaS9G8YnT8Q== X-Received: by 2002:a81:6cc3:0:b0:56f:fcb0:26f6 with SMTP id h186-20020a816cc3000000b0056ffcb026f6mr25623334ywc.52.1687835730840; Mon, 26 Jun 2023 20:15:30 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:30 -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 v6 11/33] mm: Convert ptlock_free() to use ptdescs Date: Mon, 26 Jun 2023 20:14:09 -0700 Message-Id: <20230627031431.29653-12-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> References: <20230627031431.29653-1-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 0221675e4dc5..69e6d6696c44 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2799,7 +2799,7 @@ 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) { @@ -2815,7 +2815,7 @@ 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) { } @@ -2856,7 +2856,7 @@ 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) @@ -2870,7 +2870,7 @@ 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); } @@ -2939,7 +2939,7 @@ 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 2ff14f50c7b3..8743aef6095b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5931,8 +5931,8 @@ 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