[patch 27/31] oom fix: prevent oom from killing a process with children/sibling unkillable

[Greg KH]

-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Ankita Garg <ankita@xxxxxxxxxx>

[PATCH] oom fix: prevent oom from killing a process with children/sibling unkillable

Looking at oom_kill.c, found that the intention to not kill the selected
process if any of its children/siblings has OOM_DISABLE set, is not being
met.

Signed-off-by: Ankita Garg <ankita@xxxxxxxxxx>
Cc: Chuck Ebbert <cebbert@xxxxxxxxxx>
Acked-by: Nick Piggin <npiggin@xxxxxxx>
Acked-by: William Irwin <wli@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 mm/oom_kill.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -320,7 +320,7 @@ static int oom_kill_task(struct task_str
 	 * Don't kill the process if any threads are set to OOM_DISABLE
 	 */
 	do_each_thread(g, q) {
-		if (q->mm == mm && p->oomkilladj == OOM_DISABLE)
+		if (q->mm == mm && q->oomkilladj == OOM_DISABLE)
 			return 1;
 	} while_each_thread(g, q);
 

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