[RFC PATCH 2/9] mm/damon/core: use abs_diff() in damon_feed_loop_next_input()
flat view
COLD23d
From: SJ Park <sj@kernel.org>
Date: 2026-09-12 20:08:23
Also in:
damon, lkml
Subsystem:
damon, memory management, the rest · Maintainers:
SJ Park, Andrew Morton, Linus Torvalds
damon_feed_loop_next_input() is open-coding absolute diff calculation instead of the dedicated helper, abs_diff(), for no good reason. Use the dedicated helper. Signed-off-by: SJ Park <sj@kernel.org> --- mm/damon/core.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 373339f961967..61bb25674cd23 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c@@ -2920,10 +2920,7 @@ static unsigned long damon_feed_loop_next_input(unsigned long last_input, if (score >= goal * 2) return min_input; - if (over_achieving) - score_goal_diff = score - goal; - else - score_goal_diff = goal - score; + score_goal_diff = abs_diff(score, goal); if (last_input < ULONG_MAX / score_goal_diff) compensation = last_input * score_goal_diff / goal;
--
2.47.3