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[PATCH 7/9] oom: remove child->mm check from oom_kill_process()

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From: KOSAKI Motohiro
Subject: [PATCH 7/9] oom: remove child->mm check from oom_kill_process()
Date: Wednesday, June 16, 2010 - 6:51 pm

Current "child->mm == p->mm" mean prevent to select vfork() task.
But we don't have any reason to prevent it.

Remvoed.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
---
 mm/oom_kill.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 7f91151..a6bb2d7 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -475,8 +475,6 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
 		list_for_each_entry(child, &t->children, sibling) {
 			unsigned long child_points;
 
-			if (child->mm == p->mm)
-				continue;
 			if (oom_unkillable_task(p, mem, nodemask))
 				continue;
 
-- 
1.6.5.2



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Messages in current thread:
[PATCH 1/9] oom: don't try to kill oom_unkillable child, KOSAKI Motohiro, (Wed Jun 16, 6:45 pm)
[PATCH 2/9] oom: oom_kill_process() doesn't select kthread ..., KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 3/9] oom: make oom_unkillable_task() helper function, KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 4/9] oom: oom_kill_process() need to check p is unk ..., KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 5/9] oom: cleanup has_intersects_mems_allowed(), KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 6/9] oom: unify CAP_SYS_RAWIO check into other supe ..., KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 8/9] oom: give the dying task a higher priority, KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 9/9] oom: multi threaded process coredump don't mak ..., KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
[PATCH 7/9] oom: remove child->mm check from oom_kill_proc ..., KOSAKI Motohiro, (Wed Jun 16, 6:51 pm)
Re: [PATCH 6/9] oom: unify CAP_SYS_RAWIO check into other ..., David Rientjes, (Wed Jun 16, 9:18 pm)
Re: [PATCH 4/9] oom: oom_kill_process() need to check p is ..., David Rientjes, (Wed Jun 16, 9:19 pm)
Re: [PATCH 5/9] oom: cleanup has_intersects_mems_allowed(), David Rientjes, (Wed Jun 16, 9:20 pm)
Re: [PATCH 4/9] oom: oom_kill_process() need to check p is ..., KOSAKI Motohiro, (Mon Jun 21, 4:45 am)
Re: [PATCH 5/9] oom: cleanup has_intersects_mems_allowed(), KOSAKI Motohiro, (Mon Jun 21, 4:45 am)
Re: [PATCH 6/9] oom: unify CAP_SYS_RAWIO check into other ..., KOSAKI Motohiro, (Mon Jun 21, 4:46 am)
Re: [PATCH 4/9] oom: oom_kill_process() need to check p is ..., Minchan Kim, (Mon Jun 21, 7:00 am)
Re: [PATCH 4/9] oom: oom_kill_process() need to check p is ..., David Rientjes, (Mon Jun 21, 1:04 pm)
Re: [PATCH 5/9] oom: cleanup has_intersects_mems_allowed(), David Rientjes, (Mon Jun 21, 1:09 pm)
Re: [PATCH 2/9] oom: oom_kill_process() doesn't select kth ..., David Rientjes, (Mon Jun 21, 1:14 pm)
Re: [PATCH 3/9] oom: make oom_unkillable_task() helper fun ..., David Rientjes, (Mon Jun 21, 1:15 pm)
Re: [PATCH 4/9] oom: oom_kill_process() need to check p is ..., KOSAKI Motohiro, (Wed Jun 30, 2:26 am)
Re: [PATCH 5/9] oom: cleanup has_intersects_mems_allowed(), KOSAKI Motohiro, (Wed Jun 30, 2:26 am)
Re: [PATCH 2/9] oom: oom_kill_process() doesn't select kth ..., KOSAKI Motohiro, (Wed Jun 30, 2:26 am)
Re: [PATCH 3/9] oom: make oom_unkillable_task() helper fun ..., KOSAKI Motohiro, (Wed Jun 30, 2:26 am)