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Mon, 06 Jan 2025 00:38:45 -0800 (PST) Message-ID: Date: Mon, 6 Jan 2025 16:38:32 +0800 Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/6] Account page tables at all levels Content-Language: en-US To: Kevin Brodsky Cc: linux-mm@kvack.org, Andrew Morton , Catalin Marinas , Dave Hansen , Linus Walleij , Andy Lutomirski , Peter Zijlstra , "Mike Rapoport (IBM)" , Ryan Roberts , Thomas Gleixner , Will Deacon , Matthew Wilcox , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, loongarch@lists.linux.dev, x86@kernel.org References: <20250103184415.2744423-1-kevin.brodsky@arm.com> From: Qi Zheng In-Reply-To: <20250103184415.2744423-1-kevin.brodsky@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2025/1/4 02:44, Kevin Brodsky wrote: > v1: https://lore.kernel.org/linux-mm/20241219164425.2277022-1-kevin.brodsky@arm.com/ > > This series should be considered in conjunction with Qi's series [1]. > Together, they ensure that page table ctor/dtor are called at all levels > (PTE to PGD) and all architectures, where page tables are regular pages. > Besides the improvement in accounting and general cleanup, this also > create a single place where construction/destruction hooks can be called > for all page tables, namely the now-generic pagetable_dtor() introduced > by Qi, and __pagetable_ctor() introduced in this series. > > v2 is essentially v1 rebased on top of mm-unstable, which includes Qi's > v4 series. A number of patches from v1 were dropped: > > * v1 patch 4 is superseded by patch 6 in Qi's series. > * v1 patch 5 and 6 moved to Qi's series from v3 onwards. > * v1 patch 7 is superseded by patch 4 in Qi's series. > > Changes from v1 in the remaining patches: > > * Patch 1 only introduces __pagetable_ctor() as there is now a single > generic pagetable_dtor(). > > * Patch 3 and 6: in arch/m68k/mm/motorola.c, free_pointer_table() can > now unconditionally call pagetable_dtor() since it is the same for all > levels. > > * Patch 6 just uses pagetable_dtor() instead of introducing > pagetable_pgd_dtor(). > > * Added Dave Hansen's Acked-by to all patches. > > - Kevin > > [1] https://lore.kernel.org/linux-mm/cover.1735549103.git.zhengqi.arch@bytedance.com/ > --- > Cc: Andrew Morton > Cc: Catalin Marinas > Cc: Dave Hansen > Cc: Linus Walleij > Cc: Andy Lutomirski > Cc: Peter Zijlstra > Cc: "Mike Rapoport (IBM)" > Cc: Ryan Roberts > Cc: Thomas Gleixner > Cc: Will Deacon > Cc: Matthew Wilcox > Cc: Qi Zheng > Cc: linux-alpha@vger.kernel.org > Cc: linux-arch@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-csky@vger.kernel.org > Cc: linux-hexagon@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-m68k@lists.linux-m68k.org > Cc: linux-mips@vger.kernel.org > Cc: linux-openrisc@vger.kernel.org > Cc: linux-parisc@vger.kernel.org > Cc: linux-riscv@lists.infradead.org > Cc: linux-s390@vger.kernel.org > Cc: linux-snps-arc@lists.infradead.org > Cc: linux-um@lists.infradead.org > Cc: loongarch@lists.linux.dev > Cc: x86@kernel.org > --- > Kevin Brodsky (6): > mm: Move common part of pagetable_*_ctor to helper > parisc: mm: Ensure pagetable_pmd_[cd]tor are called > m68k: mm: Add calls to pagetable_pmd_[cd]tor > ARM: mm: Rename PGD helpers > asm-generic: pgalloc: Provide generic __pgd_{alloc,free} > mm: Introduce ctor/dtor at PGD level For this series: Acked-by: Qi Zheng Thanks!