From cf4b20f9f96b8b4ddb57635f00dfeb2b8b5b6bbc Mon Sep 17 00:00:00 2001 From: SJ Park Date: Sun, 5 Jul 2026 08:55:56 -0700 Subject: [PATCH] mm/damon/lru_sort: remove duplicated min_region_sz power_of_2() check DAMON_LRU_SORT validates the user input for min_region_sz. The same validation is done inside damon_start() and damon_commit_ctx(). Remove the unnecessary duplicate. Link: https://lore.kernel.org/20260705155600.96555-6-sj@kernel.org Signed-off-by: SJ Park Signed-off-by: Andrew Morton --- mm/damon/lru_sort.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c index 32f41491b726..2dd0cd0d2627 100644 --- a/mm/damon/lru_sort.c +++ b/mm/damon/lru_sort.c @@ -284,11 +284,6 @@ static int damon_lru_sort_apply_parameters(void) param_ctx->addr_unit = addr_unit; param_ctx->min_region_sz = max(DAMON_MIN_REGION_SZ / addr_unit, 1); - if (!is_power_of_2(param_ctx->min_region_sz)) { - err = -EINVAL; - goto out; - } - if (!damon_lru_sort_mon_attrs.sample_interval) { err = -EINVAL; goto out;