DAMON resets the age of each region after applying each scheme, regardless of whether the scheme has been successfully applied. This patch adds a simple condition to prevent the age of regions from being reset when schemes have not been actually applied. Signed-off-by: Hyeongtak Ji <hyeongtak.ji@xxxxxx> --- mm/damon/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index 91cff7f2997e..4044fcf18ac1 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -908,7 +908,7 @@ static void damos_apply_scheme(struct damon_ctx *c, struct damon_target *t, quota->charge_addr_from = r->ar.end + 1; } } - if (s->action != DAMOS_STAT) + if (s->action != DAMOS_STAT && sz_applied > 0) r->age = 0; update_stat: -- 2.7.4
