mm/damon/sysfs-schemes: fix wrong DAMOS tried regions update timeout setup

Message ID 20240202191956.88791-1-sj@kernel.org
State New
Headers
Series mm/damon/sysfs-schemes: fix wrong DAMOS tried regions update timeout setup |

Commit Message

SeongJae Park Feb. 2, 2024, 7:19 p.m. UTC
  DAMON sysfs interface's update_schemes_tried_regions command has a
timeout of two apply intervals of the DAMOS scheme.  Having zero value
DAMOS scheme apply interval means it will use the aggregation interval
as the value.  However, the timeout setup logic is mistakenly using the
sampling interval insted of the aggregartion interval for the case.
This could cause earlier-than-expected timeout of the command.  Fix it.

Fixes: 7d6fa31a2fd7 ("mm/damon/sysfs-schemes: add timeout for update_schemes_tried_regions")
Cc: <stable@vger.kernel.org> # 6.7.x
Signed-off-by: SeongJae Park <sj@kernel.org>
---

 mm/damon/sysfs-schemes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Patch

diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 8dbaac6e5c2d..dd2fb5127009 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -2194,7 +2194,7 @@  static void damos_tried_regions_init_upd_status(
 		sysfs_regions->upd_timeout_jiffies = jiffies +
 			2 * usecs_to_jiffies(scheme->apply_interval_us ?
 					scheme->apply_interval_us :
-					ctx->attrs.sample_interval);
+					ctx->attrs.aggr_interval);
 	}
 }