+ mm-mark-the-oom-reaper-thread-as-freezable.patch added to -mm tree

[akpm@linux-foundation.org]

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@kerneltoast.com>
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@kerneltoast.com
Fixes: aac453635549 ("mm, oom: introduce oom reaper")
Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@kerneltoast.com are

mm-mark-the-oom-reaper-thread-as-freezable.patch