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Howlett" , Andrew Morton , 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: [RFC PATCH 2/2] Docs/admin-guide/mm/damon/reclaim: update for autotune_monitoring_intervals Date: Mon, 13 Apr 2026 21:52:51 -0700 Message-ID: <20260414045253.88529-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260414045253.88529-1-sj@kernel.org> References: <20260414045253.88529-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 752EF1C0007 X-Stat-Signature: 8iz88mqmt1c83c8cfakwhccfucc6oqx1 X-Rspamd-Server: rspam06 X-HE-Tag: 1776142380-496184 X-HE-Meta: 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 yCzIBs+7 977vDe/kY93KIg0QvFRcWZiv5Cs3EzseHSzlEEPLN3PWfb1oDERpIXq+Wq77U3TG0W72bNgrD22gOfbSswnG7enkEsdn0yQzhIcsiPfFGHP5ny5J1l4auGaugRVUOf9WwwSW7AMFGe/80T/S6Dr6Xd9rBAUq5Q0jXYVC57y/reKoKSyzBuTn91A4WtVeasyXMHvjhAYjer2p+d+MGXItug6VxXqClmHOtzo2Iy6Amf5yf7xQNKMM19riv8QHC6bjGaCTnrC5mQnSo2gZpIQRzuoeULA== 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 01a34c215b66f..b14a065586271 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