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Howlett" , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 2/2] Docs/admin-guide/mm/damon/reclaim: update for autotune_monitoring_intervals Date: Thu, 30 Apr 2026 18:17:39 -0700 Message-ID: <20260501011740.81988-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260501011740.81988-1-sj@kernel.org> References: <20260501011740.81988-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 11jfthrwuzmyjw19z8xi8wyhqjwkyg5a X-Rspamd-Queue-Id: EC7D34000D X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1777598271-794854 X-HE-Meta: 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 7sHympjj xGf6WIm3TNWvQxV+vKbyNM9RRiPTRUDbE9FRaYLvGV98ldiH7L9hyeHkt1kzjT9944jy+ET01RU1hYpQfiN7C5vmjzkoRbTW6NkzYyEPWFMCb+/9QwXYcB5066gXLTv8eP2rNIX5iu1N7A+IO4f9jftrwexEOAirSK0jd8xOEnlrMKFMZjmfAeQVtlVBeIQdezDrUpUsw8atMVDY7qPIisKvsqp4sFvM3SAwCejeoqhLdky7MnxqSffSSEFyoHtWQXlV1XtK/R45cXbrAkcIQcP1umlCxgYu0nf4H Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Update DAMON_RECLAIM usage document for the newly added monitoring intervals auto-tuning enablement parameter. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/reclaim.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/admin-guide/mm/damon/reclaim.rst b/Documentation/admin-guide/mm/damon/reclaim.rst index 57ab8b1876506..ec7e3e32b4ac6 100644 --- a/Documentation/admin-guide/mm/damon/reclaim.rst +++ b/Documentation/admin-guide/mm/damon/reclaim.rst @@ -85,6 +85,17 @@ identifies the region as cold, and reclaims it. 120 seconds by default. +autotune_monitoring_intervals +----------------------------- + +If this parameter is set as ``Y``, DAMON_RECLAIM automatically tunes DAMON's +sampling and aggregation intervals. The auto-tuning aims to capture meaningful +amount of access events in each DAMON-snapshot, while keeping the sampling +interval 5 milliseconds in minimum, and 10 seconds in maximum. Setting this as +``N`` disables the auto-tuning. + +Disabled by default. + quota_ms -------- -- 2.47.3