Commit 5081dde3 authored Sep 25, 2006 by Nicholas Piggin Committed by Linus Torvalds Sep 26, 2006

[PATCH] oom: kthread infinite loop fix



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>

parent af5b9124

mm/oom_kill.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;