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| author | SeongJae Park <sj@kernel.org> | 2026-01-13 18:27:16 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-01-27 07:02:31 +0300 |
| commit | ed581147a417940857eeea609229de0f5de5617f (patch) | |
| tree | 5d9332313d69af909c9557c2398276b1164668cb | |
| parent | 4bdd692291275eaaabe993e1c4a7b5b01cd6dc37 (diff) | |
| download | linux-ed581147a417940857eeea609229de0f5de5617f.tar.xz | |
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.
Link: https://lkml.kernel.org/r/20260113152717.70459-12-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: wang lian <lianux.mm@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/admin-guide/mm/damon/lru_sort.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/admin-guide/mm/damon/lru_sort.rst b/Documentation/admin-guide/mm/damon/lru_sort.rst index 6af3ab5579a3..20a8378d5a94 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 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. + filter_young_pages ------------------ |