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Received: from [2601:1c2:980:9ec0::2764] by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qIzIM-00Cqau-2h; Mon, 10 Jul 2023 22:23:50 +0000 Message-ID: Date: Mon, 10 Jul 2023 15:23:50 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH v5 03/38] mm: Add generic flush_icache_pages() and documentation Content-Language: en-US To: "Matthew Wilcox (Oracle)" , Andrew Morton Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mike Rapoport , Anshuman Khandual References: <20230710204339.3554919-1-willy@infradead.org> <20230710204339.3554919-4-willy@infradead.org> From: Randy Dunlap In-Reply-To: <20230710204339.3554919-4-willy@infradead.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: A895940010 X-Rspam-User: X-Stat-Signature: uhmwgeggtpfgno5u3wuhff8rkzcmdyoq X-Rspamd-Server: rspam01 X-HE-Tag: 1689027833-89495 X-HE-Meta: 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 PC7C9y+c NzZhUnczea1dnwpHYUfz/uiL8RqidPrykKV2rYvO+ZdLh3O6JV6Ur5ycRwUbk1Kyb9xOzMas8l4Cmnl2c23mNzz4dzUIj7ZlhAhsNgt9s0jHUxH3azBqweqHMl0ENI4B41+z72DsFDK7BqwCKXOt62udUJSsdF43cEGPGamUrlAYXJVnAmRfy3LBffcwgc/3KC/5C8jyO5IOFK+A7NdWF2L2C6683O/lo6ScETnB93WvK3cTA2U6A3bve2Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 7/10/23 13:43, Matthew Wilcox (Oracle) wrote: > -5) ``void update_mmu_cache(struct vm_area_struct *vma, > - unsigned long address, pte_t *ptep)`` > +5) ``void update_mmu_cache_range(struct vm_fault *vmf, > + struct vm_area_struct *vma, unsigned long address, pte_t *ptep, > + unsigned int nr)`` > > - At the end of every page fault, this routine is invoked to > - tell the architecture specific code that a translation > - now exists at virtual address "address" for address space > - "vma->vm_mm", in the software page tables. > + At the end of every page fault, this routine is invoked to tell > + the architecture specific code that translations now exists exist > + in the software page tables for address space "vma->vm_mm" > + at virtual address "address" for "nr" consecutive pages. -- ~Randy