An oom_badness() score of 0 means "never kill" according to
Documentation/filesystems/proc.txt, so explicitly exclude it from being
selected for kill. These tasks have either detached their p->mm or are
set to OOM_DISABLE.
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
---
mm/oom_kill.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -336,6 +336,8 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
continue;
points = oom_badness(p, totalpages);
+ if (!points)
+ continue;
if (points > *ppoints || !chosen) {
chosen = p;
*ppoints = points;
--
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