staging: android/lowmemorykiller: Do not kill kernel threads

LMK should not try killing kernel threads. Suggested-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
git-mirror · Feb 9, 2012 · 9823ec9 · 9823ec9
1 parent 3534160
commit 9823ec9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
@@ -138,6 +138,9 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 		struct task_struct *p;
 		int oom_adj;
 
+		if (tsk->flags & PF_KTHREAD)
+			continue;
+
 		p = find_lock_task_mm(tsk);
 		if (!p)
 			continue;