The patch titled
Subject: mm: mark the OOM reaper thread as freezable
has been added to the -mm tree. Its filename is
mm-mark-the-oom-reaper-thread-as-freezable.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-mark-the-oom-reaper-thread-as-freezable.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-mark-the-oom-reaper-thread-as-freezable.patch
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------------------------------------------------------
From: Sultan Alsawaf <sultan@xxxxxxxxxxxxxxx>
Subject: mm: mark the OOM reaper thread as freezable
The OOM reaper thread uses wait_event_freezable() without actually being
marked as freezable. Fix it by adding a set_freezable() call.
Link: https://lkml.kernel.org/r/20210918233920.9174-1-sultan@xxxxxxxxxxxxxxx
Fixes: aac453635549 ("mm, oom: introduce oom reaper")
Signed-off-by: Sultan Alsawaf <sultan@xxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/oom_kill.c | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/oom_kill.c~mm-mark-the-oom-reaper-thread-as-freezable
+++ a/mm/oom_kill.c
@@ -641,6 +641,8 @@ done:
static int oom_reaper(void *unused)
{
+ set_freezable();
+
while (true) {
struct task_struct *tsk = NULL;
_
Patches currently in -mm which might be from sultan@xxxxxxxxxxxxxxx are
mm-mark-the-oom-reaper-thread-as-freezable.patch
