From: Oleg Nesterov <oleg@xxxxxxxxxx>
select_bad_process() thinks a kernel thread can't have ->mm != NULL, this
is not true due to use_mm().
Change the code to check PF_KTHREAD.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
---
mm/oom_kill.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -317,8 +317,8 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
for_each_process(p) {
unsigned int points;
- /* skip the init task */
- if (is_global_init(p))
+ /* skip the init task and kthreads */
+ if (is_global_init(p) || (p->flags & PF_KTHREAD))
continue;
if (mem && !task_in_mem_cgroup(p, mem))
continue;
--
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