diff options
| author | Shakeel Butt <shakeel.butt@linux.dev> | 2024-05-29 08:49:11 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:29:53 -0700 |
| commit | 462966dc7d701b5c251f280e1c90e8fd301f11e3 (patch) | |
| tree | 4f088bc48d04e97f05fbb74a62bd4c0683f4918f /mm/vmscan.c | |
| parent | b82b530740b960eb949813043c4187c254039ac1 (diff) | |
mm: vmscan: reset sc->priority on retry
The commit 6be5e186fd65 ("mm: vmscan: restore incremental cgroup
iteration") added a retry reclaim heuristic to iterate all the cgroups
before returning an unsuccessful reclaim but missed to reset the
sc->priority. Let's fix it.
Link: https://lkml.kernel.org/r/20240529154911.3008025-1-shakeel.butt@linux.dev
Fixes: 6be5e186fd65 ("mm: vmscan: restore incremental cgroup iteration")
Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Reported-by: syzbot+17416257cb95200cba44@syzkaller.appspotmail.com
Tested-by: syzbot+17416257cb95200cba44@syzkaller.appspotmail.com
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index a72864b4b620..d1a87ceef0dc 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -6304,6 +6304,7 @@ retry: * meaningful forward progress. Avoid false OOMs in this case. */ if (!sc->memcg_full_walk) { + sc->priority = initial_priority; sc->memcg_full_walk = 1; goto retry; } |