Document a newly added DAMON_LRU_SORT parameter for doing auto-tuning aiming an active to inactive memory size ratio. Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> --- Documentation/admin-guide/mm/damon/lru_sort.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/admin-guide/mm/damon/lru_sort.rst b/Documentation/admin-guide/mm/damon/lru_sort.rst index 18fa73a59f62..ca4e071b3159 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 ------------------ -- 2.39.5