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[PATCH] oom: kthread infinite loop fix

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Skip kernel threads, rather than having them return 0 from badness.
Theoretically, badness might truncate all results to 0, thus a kernel thread
might be picked first, causing an infinite loop.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nick Piggin 2006-09-25 23:31:32 -07:00 committed by Linus Torvalds
parent af5b912435
commit 5081dde33f
1 changed files with 3 additions and 0 deletions
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3
mm/oom_kill.c
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@ -207,6 +207,9 @@ static struct task_struct *select_bad_process(unsigned long *ppoints)
unsigned long points;
int releasing;
/* skip kernel threads */
if (!p->mm)
continue;
/* skip the init task with pid == 1 */
if (p->pid == 1)
continue;