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Date: Sat, 23 Jan 2010 00:41:39 +0900
Message-ID: <28c262361001220741n426c52a3t371aeabe89c154c7@mail.gmail.com>
Subject: Re: [PATCH v2] oom-kill: add lowmem usage aware oom kill handling
From: Minchan Kim <minchan.kim@gmail.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
       "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
       rientjes@google.com,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
       "balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>
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2010/1/23 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>:
>> <snip>
>>> @@ -475,7 +511,7 @@ void mem_cgroup_out_of_memory(struct mem
>>>
>>>      read_lock(&tasklist_lock);
>>>  retry:
>>> -    p = select_bad_process(&points, mem);
>>> +    p = select_bad_process(&points, mem, CONSTRAINT_NONE);
>>
>> Why do you fix this with only CONSTRAINT_NONE?
>> I think we can know CONSTRAINT_LOWMEM with gfp_mask in here.
>>
> memcg is just for accounting anon/file pages. Then, it's never
> cause lowmem oom problem (any memory is ok for memcg).

Okay. Thanks for the explanation.
-- 
Kind regards,
Minchan Kim
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