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Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qebH7-000HKj-8u; Fri, 08 Sep 2023 13:11:53 +0000 Date: Fri, 8 Sep 2023 14:11:53 +0100 From: Matthew Wilcox To: Ankur Arora Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, akpm@linux-foundation.org, luto@kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, mgorman@suse.de, peterz@infradead.org, rostedt@goodmis.org, tglx@linutronix.de, jon.grimm@amd.com, bharata@amd.com, raghavendra.kt@amd.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com Subject: Re: [PATCH v2 4/9] x86/clear_page: extend clear_page*() for multi-page clearing Message-ID: References: <20230830184958.2333078-1-ankur.a.arora@oracle.com> <20230830184958.2333078-5-ankur.a.arora@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230830184958.2333078-5-ankur.a.arora@oracle.com> X-Rspamd-Queue-Id: 29949C000C X-Rspam-User: X-Stat-Signature: 7d8ezucsweq1yyp8r3ai8q3c5c1jw15o X-Rspamd-Server: rspam01 X-HE-Tag: 1694178719-233676 X-HE-Meta: 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 A97owKUS Rp7tDgykkHi+dKjB0GShz2N7DXU9KyUhczeZP5xPkKoEeF6TcDkzzX7o6JeOHSgQUpDqWyMWqi+OlXsJn5E7tHvy2/AI5Dd19PQVIAkE0cfH3hHg2TSJ7A1ixswB7ow2+if2uWdHXPPT6jfaL5qwrW18sOeVsTq/lDDvwYfQo2eQ53umO6yrbABZDBw== 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 Wed, Aug 30, 2023 at 11:49:53AM -0700, Ankur Arora wrote: > -void clear_page_orig(void *page); > -void clear_page_rep(void *page); > -void clear_page_erms(void *page); > +void clear_pages_orig(void *page, unsigned int length); > +void clear_pages_rep(void *page, unsigned int length); > +void clear_pages_erms(void *page, unsigned int length); Maybe make this size_t so we know it's a byte count rather than being some other unit of length?