Messages in this thread Patch in this message | | | Subject | [PATCH] oom: skip frozen tasks | From | Konstantin Khlebnikov <> | Date | Tue, 23 Aug 2011 11:31:01 +0300 |
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All frozen tasks are unkillable, and if one of them has TIF_MEMDIE we must kill something else to avoid deadlock. After this patch select_bad_process() will skip frozen task before checking TIF_MEMDIE.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> --- 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 626303b..931ab20 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -138,6 +138,8 @@ static bool oom_unkillable_task(struct task_struct *p, return true; if (p->flags & PF_KTHREAD) return true; + if (p->flags & PF_FROZEN) + return true; /* When mem_cgroup_out_of_memory() and p is not member of the group */ if (mem && !task_in_mem_cgroup(p, mem))
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