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b=RYYPs19qHtcWiTw8LuehBBrlHddIwu2W18Vg1Ngs1HEB6UkPqM/Uy3KM/aHSnL2N7 23XWZxPbT9VLCXxWyzGP/SKX0P9KPhVPuR1BrXIHcs4YkQ4kYcflLjn+X+OCNNVOP5 hxg5FTdpHbHxfDp9QcTUJqSMSQkkiCQaAQL5uL3v9BfzTTKOytVBrermkUTvNBUZzb CfWzWh9ffNUoRYX4/TKGHcBh137ysiW//kWAGuw+TjcYuJjHJTjz+oaqpr/Qhp3sky Kw4bI6hBmDtqiohRCCmu8jxxcY/tKBPr1zcgASOYqA7+4KNolkGOChUeQYdOa3gJ4O snRL0B8mtkYqQ== From: SeongJae Park To: Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2.1 06/28] mm/damon/core: introduce damon_ops->apply_probes Date: Thu, 14 May 2026 07:08:39 -0700 Message-ID: <20260514140904.119781-7-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260514140904.119781-1-sj@kernel.org> References: <20260514140904.119781-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 3CFB7A000D X-Stat-Signature: 1a9c44gkohj9wczs3snah9x4o9fhaom8 X-Rspam-User: X-HE-Tag: 1778767762-988609 X-HE-Meta: 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 CYIVA5Ez eAHzMIcrYxUT3EdoyMVvm5ZiSg7Z5KaDvfWhjbK6ApUZzGA28LGfMRxtLMtsl/X6EJwjSSIQVQqzBDwnoEE+7ppy8p51iKijtWnmbPkY0BC1orQcbhDp8F/87hVZ8YFH4NM0sVwuUaR6Cd/5FBCXRRPtXhpOTlusKGzhYOC2WZ3Ns3ZSyYEOun8RC8Ivg/fLEa/8vbaynNPdIA8/yY/Fp+gnHOxkHZ7WeFNj3uKx6gn7Qr8un60TOMoIle2dIA/48OuNtEVuDmG+I4rSfLkxapZaAPHlxK5DM2RjgYO0dDirQeKraZ0lWjNqYgagUGUytbD0i9/aqBHHJbNBHROWcNyg2+dV8FbfrfJAn Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Extend damon_operations struct with a new callback, namely apply_probe. The callback will be invoked for data attributes monitoring. More specifically, the callback will apply damon_probe objects to each region and update the per-region per-probe counters for the number of encountered probe-positive samples. 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 19b780bfab051..e9ca40cdd9102 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -630,6 +630,7 @@ enum damon_ops_id { * @update: Update operations-related data structures. * @prepare_access_checks: Prepare next access check of target regions. * @check_accesses: Check the accesses to target regions. + * @apply_probes: Apply probes for each region. * @get_scheme_score: Get the score of a region for a scheme. * @apply_scheme: Apply a DAMON-based operation scheme. * @target_valid: Determine if the target is valid. @@ -673,6 +674,7 @@ struct damon_operations { void (*update)(struct damon_ctx *context); void (*prepare_access_checks)(struct damon_ctx *context); unsigned int (*check_accesses)(struct damon_ctx *context); + void (*apply_probes)(struct damon_ctx *context); int (*get_scheme_score)(struct damon_ctx *context, struct damon_region *r, struct damos *scheme); unsigned long (*apply_scheme)(struct damon_ctx *context, -- 2.47.3