Messages in this thread Patch in this message | | | From | KOSAKI Motohiro <> | Subject | [PATCH 3/9] oom: oom_kill_process() doesn't select kthread child | Date | Wed, 16 Jun 2010 20:32:08 +0900 (JST) |
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Now, select_bad_process() have PF_KTHREAD check, but oom_kill_process doesn't. It mean oom_kill_process() may choose wrong task, especially, when the child are using use_mm().
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> --- mm/oom_kill.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 1969cc1..6ca6cb8 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -466,6 +466,8 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order, if (child->mm == p->mm) continue; + if (child->flags & PF_KTHREAD) + continue; if (mem && !task_in_mem_cgroup(child, mem)) continue; if (!has_intersects_mems_allowed(child, nodemask)) -- 1.6.5.2
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