The following commit has been merged into the timers/core branch of tip:
Commit-ID: ef0245582e5bccd8b4c480a58bd4da91ee276397
Gitweb: https://git.kernel.org/tip/ef0245582e5bccd8b4c480a58bd4da91ee276397
Author: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx>
AuthorDate: Mon, 14 Oct 2024 10:22:25 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 16 Oct 2024 00:36:47 +02:00
mm/damon/core: Use generic upper bound recommondation for usleep_range()
The upper bound for usleep_range_idle() was taken from the outdated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.
Signed-off-by: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
Link: https://lore.kernel.org/all/20241014-devel-anna-maria-b4-timers-flseep-v3-8-dc8b907cb62f@xxxxxxxxxxxxx
---
mm/damon/core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/damon/core.c b/mm/damon/core.c
index c725c78..79efd80 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);
|