From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vishal Moola (Oracle)" Subject: [PATCH v3 20/34] arm: Convert various functions to use ptdescs Date: Wed, 31 May 2023 14:30:18 -0700 Message-ID: <20230531213032.25338-21-vishal.moola@gmail.com> References: <20230531213032.25338-1-vishal.moola@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685568709; x=1688160709; 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=llblHDjuRzdwObovgJjTe//ioNSPoyRpZegKgEWGdOs=; b=iH3Uuo4ydabF86Ae3Pt9mqJWCo9Mdl0v853LngJ++ms5qQhJIV2nJMOwvvj1jdSolp wkug3c5kE5OyC8B7qbo9EtOWW91dAFU5qbdW1jXEhkmIJBuTnUynbfXIOO6t9HnXXwkE IN/6ruRl/K/MZEBNhZ/CMDwD4Ey5RSIokBkrylG9gJyzM17uataBRfYABiymq5L1JBem AiofKm4cV+Hpu3+dW3nZQBqxHmZ0U8w75MqODX8zjymWwzwAB9aGsVd720nTIfH2C9wd s6EKfpFxPPWRO5hvsFIezwgeyXUB9GISVAQy5eO7rADF0ZyAn64v+X5gTI2GfoMJv3eF AD6g== In-Reply-To: <20230531213032.25338-1-vishal.moola@gmail.com> List-ID: Content-Type: text/plain; charset="us-ascii" 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)" , Catalin Marinas As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. late_alloc() also uses the __get_free_pages() helper function. Convert this to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) --- arch/arm/include/asm/tlb.h | 12 +++++++----- arch/arm/mm/mmu.c | 6 +++--- 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index b8cbe03ad260..f40d06ad5d2a 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -39,7 +39,9 @@ static inline void __tlb_remove_table(void *_table) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); + struct ptdesc *ptdesc = page_ptdesc(pte); + + pagetable_pte_dtor(ptdesc); #ifndef CONFIG_ARM_LPAE /* @@ -50,17 +52,17 @@ __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) __tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE); #endif - tlb_remove_table(tlb, pte); + tlb_remove_ptdesc(tlb, ptdesc); } static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { #ifdef CONFIG_ARM_LPAE - 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 } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 22292cf3381c..294518fd0240 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -737,11 +737,11 @@ static void __init *early_alloc(unsigned long sz) static void *__init late_alloc(unsigned long sz) { - void *ptr = (void *)__get_free_pages(GFP_PGTABLE_KERNEL, get_order(sz)); + void *ptdesc = pagetable_alloc(GFP_PGTABLE_KERNEL, get_order(sz)); - if (!ptr || !pgtable_pte_page_ctor(virt_to_page(ptr))) + if (!ptdesc || !pagetable_pte_ctor(ptdesc)) BUG(); - return ptr; + return ptdesc; } static pte_t * __init arm_pte_alloc(pmd_t *pmd, unsigned long addr, -- 2.40.1