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Message-Id: <20250628165144.55528-12-sj@kernel.org> Date: Sat, 28 Jun 2025 09:51:44 -0700 From: SeongJae Park <sj@...nel.org> To: Cc: SeongJae Park <sj@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Jonathan Corbet <corbet@....net>, damon@...ts.linux.dev, kernel-team@...a.com, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: [RFC PATCH 11/11] Docs/admin-guide/mm/damon/lru_sort: document intervals autotuning Document a newly added DAMON_LRU_SORT module parameter for using monitoring intervals auto-tuning feature of DAMON. Signed-off-by: SeongJae Park <sj@...nel.org> --- Documentation/admin-guide/mm/damon/lru_sort.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/admin-guide/mm/damon/lru_sort.rst b/Documentation/admin-guide/mm/damon/lru_sort.rst index ca4e071b3159..f9dfa8255dda 100644 --- a/Documentation/admin-guide/mm/damon/lru_sort.rst +++ b/Documentation/admin-guide/mm/damon/lru_sort.rst @@ -91,6 +91,17 @@ increases and decreases the effective level of the quota aiming the LRU Disabled by default. +Auto-tune monitoring intervals +------------------------------ + +If this parameter is set as ``Y``, DAMON_LRU_SORT automatically tune 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 minimu, and 10 seconds in maximum. Setting this as +``Y`` disables the auto-tuning. + +Disabled by default. + filter_young_pages ------------------ -- 2.39.5
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