Re: 2.5.74-mm1

[William Lee Irwin III]

On Thu, Jul 03, 2003 at 02:37:14AM -0700, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.74/2.5.74-mm1/

anton saw the OOM killer try to kill pdflush, causing tons of spurious
wakeups. This should avoid picking kernel threads in select_bad_process().

-- wli

===== mm/oom_kill.c 1.23 vs edited =====
--- 1.23/mm/oom_kill.c	Wed Apr 23 03:15:53 2003
+++ edited/mm/oom_kill.c	Fri Jul  4 14:03:32 2003
@@ -123,7 +123,7 @@
 	struct task_struct *chosen = NULL;
 
 	do_each_thread(g, p)
-		if (p->pid) {
+		if (p->pid && p->mm) {
 			int points = badness(p);
 			if (points > maxpoints) {
 				chosen = p;