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b=bWYxgDEwewUI4Si1uvn2A7qlU6sI0b+yWp6SF/szJF2mbBBdXg0ZIAIekRW+ZOrrG 6TbmzOGczenZfeBVT1eGwM8skmQNCoC+T7rzUAg1s/D7qKk5krfv223sDy+Et7SKYV oKDb/jYUtQD9s5Sp7d1+s6HJyBRA78C9StrcOfWWsYip5AOF/H+pRJNQBU5+6oOv9w bB8o7cqHCaJ9YJ8Qk3M3o0RMOD2nKZPDQiL6V77bFV/BxTWnDPT447D3IS3ql5eu4y Hm319ClPVM1KMf1IeY6kU7NtDbSWg2Wq3lUwZjBk+UOcPyDyvcpSJnwXRSjLE7qQRx /YO2G1qXPqUiw== From: SeongJae Park To: Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v3 13/37] mm/damon: extend damon_access_report for origin CPU reporting Date: Sun, 7 Dec 2025 22:29:17 -0800 Message-ID: <20251208062943.68824-14-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251208062943.68824-1-sj@kernel.org> References: <20251208062943.68824-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 5p6cn93nyjaxp67zdihg33wad168by3c X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: D3C0F120006 X-HE-Tag: 1765175410-612878 X-HE-Meta: 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 9gL2hDNo gqRH0dfqcLxapzuo6+OfAyxEekliTixjvXls+Sue6VEmrr5YnXSf3rvEbsAuwUM54SGngj0PmPE09BqUkTgG5cPkaWT6mc/pYAJcnsYQ0rlXW/m2Po5N1Es9mmLrVXJP443eWx3MxmG/EJyHIt1PuhO1YWPKY3+7D1hkPgyNN3Fg153f6FWh5RjXTtFvGSe0WwntFvR80b3rA91OovK/C/CdYU+UjfO2202SYkbMnwzaaDEXhR4Dd+zQUpOYCNqQBkB7Gwmahqwv5XHHm2Beb0sdQ3S0TKNvuT5wyqNyGERjPSFu6W0e0CjWVxno1Ebu1kZlCgoPAnRas0HSCqEh0DD6DLFv62Iwy9uHlKiRqweqUuc5zR0OBvikuDk5y8HoShVGT 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: List-Subscribe: List-Unsubscribe: Add a field to damon_access_report that can be used to report which CPU has made the reporting access. Signed-off-by: SeongJae Park --- include/linux/damon.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/damon.h b/include/linux/damon.h index b04c2e36833a..e23a10ba7c92 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -115,6 +115,7 @@ struct damon_target { * struct damon_access_report - Represent single acces report information. * @addr: The start address of the accessed address range. * @size: The size of the accessed address range. + * @cpu: The id of the CPU that made the access. * * Any DAMON API callers that notified access events can report the information * to DAMON using damon_report_access(). This struct contains the reporting @@ -123,6 +124,7 @@ struct damon_target { struct damon_access_report { unsigned long addr; unsigned long size; + unsigned int cpu; /* private: */ unsigned long report_jiffies; /* when this report is made */ }; -- 2.47.3