From patchwork Mon Jun 12 21:04:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13277509 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 9652DCCA460 for ; Mon, 12 Jun 2023 21:08:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239510AbjFLVI1 (ORCPT ); Mon, 12 Jun 2023 17:08:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238629AbjFLVIC (ORCPT ); Mon, 12 Jun 2023 17:08:02 -0400 Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [IPv6:2607:f8b0:4864:20::b2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 193A7295C; Mon, 12 Jun 2023 14:05:11 -0700 (PDT) Received: by mail-yb1-xb2c.google.com with SMTP id 3f1490d57ef6-bcde2b13fe2so878570276.3; Mon, 12 Jun 2023 14:05:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686603910; x=1689195910; 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=L3tBY7hT3/idMeTvV/y5HT5RaeYwytDxSu3wHZHQdRM=; b=RjdfKdwo6GGvbEWocjhzyfrIG+s4yeNfDttrrqwnEGORQ/YPC7ZVmdyS10JF0LYqJm b6bU5xmGwzXI5ZQkTCKkSHLlY6xUp5TM7mFPqEQ9UqdLvwpNas5BJtZzv+iakqyWNnr7 ZbUjNLXHM5JpGCASroX3mIknKspaiVxCKS4EWppAxztT7eGSIBBwCNu77Cy7Q7mvbAeg nTWfF3Iwgf3p1K6E3gymTY1cP1wx9AawPcYyp7n9Z4TFzq2NVk0pgr/BAa6wSZIWoNVz 1+4z+b7cL83but8FZFxeoUPYZLJOz76q6IoC2hSwlZOG2NbQ38EQV2G66LjHRDN0bxiF BZ7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686603910; x=1689195910; 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=L3tBY7hT3/idMeTvV/y5HT5RaeYwytDxSu3wHZHQdRM=; b=Qe4wsX4xPumpiTLCZeuAN5JBebiQflQRvbzL9lqUaEjBvFkyreP4Pe4SMdwXqPIF8G 5VdNKofe2an67uYfxpu8HM/1rha1QvnTBX1rNPoVHA70quOu1j4PmuIRjPTgP1ftKAtw xNkibvo875SOeDuQQuVe2EX8IDKokSyo1V+kNxPw+Fjp1COnbO0NzBIg0w5qaivDs2eZ wKn5baSJZczhgdVX2OMpeQSLLANiwWl97ZNuVR4GZSL5rC2jlORssu5AKclmX4ydI0cc 8S/mopLCJdIVSzGwA9zdXRw/RvAibY9q2n9MP6yTeR+HVhCw+WS7FVn1cwmVkCcoewvy BCmg== X-Gm-Message-State: AC+VfDziTCkkUcMSfVBM+r8Qf0gjoFFTfQzxrpiDai7obGQ5U+Xs/kVs Tg0gWOPy/OF/qUARh5yJrBTvD8+FNKeFQQ== X-Google-Smtp-Source: ACHHUZ7G4LX/rzVzMPXBxUvcWoM4NVaiAOMXANZTQdr/GK3rhr2fg9ZSIMvpPffGov7SQ8stbPFS3w== X-Received: by 2002:a05:6902:2c7:b0:ba6:e17a:abc2 with SMTP id w7-20020a05690202c700b00ba6e17aabc2mr8959494ybh.63.1686603910188; Mon, 12 Jun 2023 14:05:10 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s125-20020a817783000000b00569eb609458sm2757115ywc.81.2023.06.12.14.05.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jun 2023 14:05:09 -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)" Subject: [PATCH v4 12/34] mm: Convert ptlock_free() to use ptdescs Date: Mon, 12 Jun 2023 14:04:01 -0700 Message-Id: <20230612210423.18611-13-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230612210423.18611-1-vishal.moola@gmail.com> References: <20230612210423.18611-1-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 3b54bb4c9753..a1af7983e1bd 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2826,7 +2826,7 @@ static inline void pagetable_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) { @@ -2842,7 +2842,7 @@ 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) { } @@ -2883,7 +2883,7 @@ 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) @@ -2897,7 +2897,7 @@ 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); } @@ -2955,7 +2955,7 @@ 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 ba9579117686..d4d2ea5cf0fd 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5945,8 +5945,8 @@ 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