From mboxrd@z Thu Jan  1 00:00:00 1970
From: Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Subject: Re: [-mm PATCH 4/9] Memory controller memory accounting (v4)
Date: Wed, 15 Aug 2007 15:32:30 +0530
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To: YAMAMOTO Takashi <yamamoto-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
Cc: xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, dhaval-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org
List-Id: containers.vger.kernel.org

YAMAMOTO Takashi wrote:
>> YAMAMOTO Takashi wrote:
>>>> +	lock_meta_page(page);
>>>> +	/*
>>>> +	 * Check if somebody else beat us to allocating the meta_page
>>>> +	 */
>>>> +	race_mp = page_get_meta_page(page);
>>>> +	if (race_mp) {
>>>> +		kfree(mp);
>>>> +		mp = race_mp;
>>>> +		atomic_inc(&mp->ref_cnt);
>>>> +		res_counter_uncharge(&mem->res, 1);
>>>> +		goto done;
>>>> +	}
>>> i think you need css_put here.
>> Thats correct. We do need css_put in this path.
>>
>> Thanks,
>> Vaidy
> 
> v5 still seems to have the problem.
> 
> YAMAMOTO Takashi
> 

Hi, 

I've got the fix in v6 now, thanks for spotting it.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL