[PATCH] mm: Mark the OOM reaper thread as freezable

[Sultan Alsawaf]

From: Sultan Alsawaf <sultan@xxxxxxxxxxxxxxx>

The OOM reaper thread uses wait_event_freezable() without actually being
marked as freezable. Fix it by adding a set_freezable() call.

Fixes: aac453635549 ("mm, oom: introduce oom reaper")
Signed-off-by: Sultan Alsawaf <sultan@xxxxxxxxxxxxxxx>
---
 mm/oom_kill.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 831340e7ad8b..46a742b57735 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -641,6 +641,8 @@ static void oom_reap_task(struct task_struct *tsk)
 
 static int oom_reaper(void *unused)
 {
+	set_freezable();
+
 	while (true) {
 		struct task_struct *tsk = NULL;
 
-- 
2.33.0