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[v3,08/16] mm/damon/core: Use generic upper bound recommondation for usleep_range()

Message ID 20241014-devel-anna-maria-b4-timers-flseep-v3-8-dc8b907cb62f@linutronix.de (mailing list archive)
State New
Headers show
Series timers: Cleanup delay/sleep related mess | expand

Commit Message

Anna-Maria Behnsen Oct. 14, 2024, 8:22 a.m. UTC 
The upper bound for usleep_range_idle() was taken from the outdated
documentation. As a recommondation for the upper bound of usleep_range()
depends on HZ configuration it is not possible to hard code it.

Use the define "USLEEP_RANGE_UPPER_BOUND" instead.

Cc: SeongJae Park <sj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: damon@lists.linux.dev
Cc: linux-mm@kvack.org
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Reviewed-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
---
 mm/damon/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/damon/core.c b/mm/damon/core.c
index c725c78b43f0..79efd8089d6c 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1892,8 +1892,7 @@  static unsigned long damos_wmark_wait_us(struct damos *scheme)
 
 static void kdamond_usleep(unsigned long usecs)
 {
-	/* See Documentation/timers/timers-howto.rst for the thresholds */
-	if (usecs > 20 * USEC_PER_MSEC)
+	if (usecs >= USLEEP_RANGE_UPPER_BOUND)
 		schedule_timeout_idle(usecs_to_jiffies(usecs));
 	else
 		usleep_range_idle(usecs, usecs + 1);