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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-05 19:25:34 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-05 19:25:34 +0400
commit6fbfd0592ef88ba29cdce84ef92757351f1fa9c9 (patch)
tree7c0af4bcc08f3ad7befb93d73d9729f82252c950 /mm/oom_kill.c
parentf2c32a882d2c1cde6fc552a5a3d34b4c1330edb8 (diff)
parent6887a4131da3adaab011613776d865f4bcfb5678 (diff)
downloadlinux-6fbfd0592ef88ba29cdce84ef92757351f1fa9c9.tar.xz
Merge v3.5-rc5 into driver-core-next
This picks up the big printk fixes, and resolves a merge issue with: drivers/extcon/extcon_gpio.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/oom_kill.c')
-rw-r--r--mm/oom_kill.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 416637f0e924..ac300c99baf6 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -184,6 +184,7 @@ unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg,
const nodemask_t *nodemask, unsigned long totalpages)
{
long points;
+ long adj;
if (oom_unkillable_task(p, memcg, nodemask))
return 0;
@@ -192,7 +193,8 @@ unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg,
if (!p)
return 0;
- if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) {
+ adj = p->signal->oom_score_adj;
+ if (adj == OOM_SCORE_ADJ_MIN) {
task_unlock(p);
return 0;
}
@@ -210,14 +212,11 @@ unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg,
* implementation used by LSMs.
*/
if (has_capability_noaudit(p, CAP_SYS_ADMIN))
- points -= 30 * totalpages / 1000;
+ adj -= 30;
- /*
- * /proc/pid/oom_score_adj ranges from -1000 to +1000 such that it may
- * either completely disable oom killing or always prefer a certain
- * task.
- */
- points += p->signal->oom_score_adj * totalpages / 1000;
+ /* Normalize to oom_score_adj units */
+ adj *= totalpages / 1000;
+ points += adj;
/*
* Never return 0 for an eligible task regardless of the root bonus and
@@ -366,7 +365,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
/**
* dump_tasks - dump current memory state of all system tasks
- * @mem: current's memory controller, if constrained
+ * @memcg: current's memory controller, if constrained
* @nodemask: nodemask passed to page allocator for mempolicy ooms
*
* Dumps the current memory state of all eligible tasks. Tasks not in the same