---

yaml
---
r: 217438
b: refs/heads/master
c: e18641e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3d5992d2ac7dc09aed8ab537cba074589f0f0a52
+refs/heads/master: e18641e19a9204f241f04a5ac700168dcd18de4f

trunk/mm/oom_kill.c

@@ -162,10 +162,11 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
 		return 0;
 
 	/*
-	 * Shortcut check for OOM_SCORE_ADJ_MIN so the entire heuristic doesn't
-	 * need to be executed for something that cannot be killed.
+	 * Shortcut check for a thread sharing p->mm that is OOM_SCORE_ADJ_MIN
+	 * so the entire heuristic doesn't need to be executed for something
+	 * that cannot be killed.
 	 */
-	if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) {
+	if (atomic_read(&p->mm->oom_disable_count)) {
 		task_unlock(p);
 		return 0;
 	}
@@ -680,7 +681,7 @@ void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
 	read_lock(&tasklist_lock);
 	if (sysctl_oom_kill_allocating_task &&
 	    !oom_unkillable_task(current, NULL, nodemask) &&
-	    (current->signal->oom_adj != OOM_DISABLE)) {
+	    current->mm && !atomic_read(&current->mm->oom_disable_count)) {
 		/*
 		 * oom_kill_process() needs tasklist_lock held.  If it returns
 		 * non-zero, current could not be killed so we must fallback to