The patch titled
oom: skip zombies when iterating tasklist
has been removed from the -mm tree. Its filename was
oom-skip-zombies-when-iterating-tasklist.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: oom: skip zombies when iterating tasklist
From: Andrey Vagin <avagin@xxxxxxxxxx>
We shouldn't defer oom killing if a thread has already detached its ->mm
and still has TIF_MEMDIE set. Memory needs to be freed, so find kill
other threads that pin the same ->mm or find another task to kill.
Signed-off-by: Andrey Vagin <avagin@xxxxxxxxxx>
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx> [2.6.38.x]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/oom_kill.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN mm/oom_kill.c~oom-skip-zombies-when-iterating-tasklist mm/oom_kill.c
--- a/mm/oom_kill.c~oom-skip-zombies-when-iterating-tasklist
+++ a/mm/oom_kill.c
@@ -299,6 +299,8 @@ static struct task_struct *select_bad_pr
do_each_thread(g, p) {
unsigned int points;
+ if (!p->mm)
+ continue;
if (oom_unkillable_task(p, mem, nodemask))
continue;
@@ -324,7 +326,7 @@ static struct task_struct *select_bad_pr
* the process of exiting and releasing its resources.
* Otherwise we could get an easy OOM deadlock.
*/
- if ((p->flags & PF_EXITING) && p->mm) {
+ if (p->flags & PF_EXITING) {
if (p != current)
return ERR_PTR(-1UL);
_
Patches currently in -mm which might be from avagin@xxxxxxxxxx are
origin.patch
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