From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vishal Moola (Oracle)" Subject: [PATCH mm-unstable v9 18/31] arm64: Convert various functions to use ptdescs Date: Mon, 7 Aug 2023 16:05:00 -0700 Message-ID: <20230807230513.102486-19-vishal.moola@gmail.com> References: <20230807230513.102486-1-vishal.moola@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WcvpNHx4qs8bWd+7IBroWmrjLMoBNjwmLZQ760xz/04=; b=sdb2gVDbmiyugq 86Lg4zEjzTDUOmkxxDwqzFwdKqbqE77F+Br7UG1I4LggPemBMjpxtQIYx4uvco6EGOS0d8JreWuUY Uuk3ghoEmwjI18kzgk6BR7iTP5FokRdN9f/Cnb5fv5KuMmBtxjOr9AX8fl6neGPrWA6bubybtOefH iub3p6oN1g5O5j99zaASyaxL0CIO54NQ6a9RMdH3sfmoP/LU7pxXLaj+2Twf6rpVB4MBY28QWRq39 kLHfFdNXdUFgYYZ9jnOp9ioWmSzmTNq8ieemU5e1e8AcNa34sd4ckC9qChGqM0FLdLB7WENOAe60z D/IorgKE37K9t5cqfOzQ==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691449554; x=1692054354; 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=d6BZos7Ybf69Lr9ubs2a6Azcthgsxnr+LK2TqOKvMHI=; b=p8G6Pt9QZsVgDIw5B0YZsM1HO9y9fkrb/cw0HZOe9s94xOMFlEATGdftneo/KGkdaX TwSO+l67/znn0WvrOrRHHntMUuj9nNFXoTE85WKOjzGwb94eB3i84/XFPlTd02w2CLrJ DwESQ9jUYWS2DSwjhw7JNYWMJXOT94ZS609EVQWWoXQdRFNt0hhd7LN+kuo1QQmNKeS0 XHBIPjPF8dy/T4snUiw6ibSJ1ZirvD/sPtDvke5ir6zweBiFnq3ooQs72HZNE6w+OGww eTDTJaym+WVQphZfxFF+BeQU7jP4VlgJoz6RKQntFEtdMFIN0fhGKatr4Jikr9avLVk6 gEYA== In-Reply-To: <20230807230513.102486-1-vishal.moola@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+glpr-linux-riscv=m.gmane-mx.org@lists.infradead.org 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 , Catalin Marinas As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Acked-by: Mike Rapoport (IBM) Acked-by: Catalin Marinas Signed-off-by: Vishal Moola (Oracle) --- arch/arm64/include/asm/tlb.h | 14 ++++++++------ arch/arm64/mm/mmu.c | 7 ++++--- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index c995d1f4594f..2c29239d05c3 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -75,18 +75,20 @@ static inline void tlb_flush(struct mmu_gather *tlb) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); - tlb_remove_table(tlb, pte); + struct ptdesc *ptdesc = page_ptdesc(pte); + + pagetable_pte_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #if CONFIG_PGTABLE_LEVELS > 2 static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { - struct page *page = virt_to_page(pmdp); + struct ptdesc *ptdesc = virt_to_ptdesc(pmdp); - pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + pagetable_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #endif @@ -94,7 +96,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp, unsigned long addr) { - tlb_remove_table(tlb, virt_to_page(pudp)); + tlb_remove_ptdesc(tlb, virt_to_ptdesc(pudp)); } #endif diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 95d360805f8a..47781bec6171 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -426,6 +426,7 @@ static phys_addr_t __pgd_pgtable_alloc(int shift) static phys_addr_t pgd_pgtable_alloc(int shift) { phys_addr_t pa = __pgd_pgtable_alloc(shift); + struct ptdesc *ptdesc = page_ptdesc(phys_to_page(pa)); /* * Call proper page table ctor in case later we need to @@ -433,12 +434,12 @@ static phys_addr_t pgd_pgtable_alloc(int shift) * this pre-allocated page table. * * We don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK if pmd is - * folded, and if so pgtable_pmd_page_ctor() becomes nop. + * folded, and if so pagetable_pte_ctor() becomes nop. */ if (shift == PAGE_SHIFT) - BUG_ON(!pgtable_pte_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pte_ctor(ptdesc)); else if (shift == PMD_SHIFT) - BUG_ON(!pgtable_pmd_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pmd_ctor(ptdesc)); return pa; } -- 2.40.1