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| author | SeongJae Park <sj@kernel.org> | 2026-01-13 18:27:14 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-01-27 07:02:31 +0300 |
| commit | cdfca22d15ca5f0f6b3ff33a23e1672dccc74eda (patch) | |
| tree | 6a3c78367ab4fa181a0adc212b6421556db49037 | |
| parent | 40d98d31cd7060228e03303c5c34ae7101020416 (diff) | |
| download | linux-cdfca22d15ca5f0f6b3ff33a23e1672dccc74eda.tar.xz | |
Docs/admin-guide/mm/damon/lru_sort: document active_mem_bp parameter
Document a newly added DAMON_LRU_SORT parameter for doing auto-tuning
aiming an active to inactive memory size ratio.
Link: https://lkml.kernel.org/r/20260113152717.70459-10-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 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/admin-guide/mm/damon/lru_sort.rst b/Documentation/admin-guide/mm/damon/lru_sort.rst index bb222a32aefd..6af3ab5579a3 100644 --- a/Documentation/admin-guide/mm/damon/lru_sort.rst +++ b/Documentation/admin-guide/mm/damon/lru_sort.rst @@ -79,6 +79,18 @@ of parametrs except ``enabled`` again. Once the re-reading is done, this parameter is set as ``N``. If invalid parameters are found while the re-reading, DAMON_LRU_SORT will be disabled. +active_mem_bp +------------- + +Desired active to [in]active memory ratio in bp (1/10,000). + +While keeping the caps that set by other quotas, DAMON_LRU_SORT automatically +increases and decreases the effective level of the quota aiming the LRU +[de]prioritizations of the hot and cold memory resulting in this active to +[in]active memory ratio. Value zero means disabling this auto-tuning feature. + +Disabled by default. + filter_young_pages ------------------ |