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SubjectRe: [PATCH] oom: do not kill tasks with oom_score_adj OOM_SCORE_ADJ_MIN
(11/7/2011 1:54 PM), David Rientjes wrote:
> On Fri, 4 Nov 2011, Michal Hocko wrote:
>
>> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
>> index e916168..4883514 100644
>> --- a/mm/oom_kill.c
>> +++ b/mm/oom_kill.c
>> @@ -185,6 +185,9 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
>> if (!p)
>> return 0;
>>
>> + if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
>> + return 0;
>> +
>> /*
>> * The memory controller may have a limit of 0 bytes, so avoid a divide
>> * by zero, if necessary.
>
> This leaves p locked, you need to do task_unlock(p) first.
>
> Once that's fixed, please add my
>
> Acked-by: David Rientjes <rientjes@google.com>

Agreed.
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>



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