The patch titled
oom: kthread infinite loop fix
has been added to the -mm tree. Its filename is
oom-kthread-infinite-loop-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: oom: kthread infinite loop fix
From: Nick Piggin <npiggin@xxxxxxx>
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@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
mm/oom_kill.c | 3 +++
1 file changed, 3 insertions(+)
diff -puN mm/oom_kill.c~oom-kthread-infinite-loop-fix mm/oom_kill.c
--- a/mm/oom_kill.c~oom-kthread-infinite-loop-fix
+++ a/mm/oom_kill.c
@@ -207,6 +207,9 @@ static struct task_struct *select_bad_pr
unsigned long points;
int releasing;
+ /* skip kernel threads */
+ if (!p->mm)
+ continue;
/* skip the init task with pid == 1 */
if (p->pid == 1)
continue;
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
mm-vm_bug_on.patch
radix-tree-rcu-lockless-readside.patch
redo-radix-tree-fixes.patch
adix-tree-rcu-lockless-readside-update.patch
adix-tree-rcu-lockless-readside-fix-2.patch
update-some-mm-comments.patch
mm-remove_mapping-safeness.patch
mm-non-syncing-lock_page.patch
oom-use-unreclaimable-info.patch
oom-reclaim_mapped-on-oom.patch
cpuset-oom-panic-fix.patch
oom-cpuset-hint.patch
oom-handle-current-exiting.patch
oom-handle-oom_disable-exiting.patch
oom-swapoff-tasks-tweak.patch
oom-kthread-infinite-loop-fix.patch
oom-more-printk.patch
sched-force-sbin-init-off-isolated-cpus.patch
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