select_bad_process() checks if the exiting process is current. This
condition can never be true if the caller is not the main thread.
Use same_thread_group() instead.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
mm/oom_kill.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 38/mm/oom_kill.c~fix_ck_current 2011-03-12 14:22:19.000000000 +0100
+++ 38/mm/oom_kill.c 2011-03-12 14:27:14.000000000 +0100
@@ -341,7 +341,7 @@ static struct task_struct *select_bad_pr
* Otherwise we could get an easy OOM deadlock.
*/
if (mm_is_exiting(p)) {
- if (p != current)
+ if (!same_thread_group(p, current))
return ERR_PTR(-1UL);
chosen = p;
--
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