linux-kernel - Re: [-mm PATCH 4/8] Memory controller memory accounting (v2)

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Message-ID: <4693A8CD.7080808@linux.vnet.ibm.com>
Date:	Tue, 10 Jul 2007 21:12:05 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	YAMAMOTO Takashi <yamamoto@...inux.co.jp>
CC:	svaidy@...ux.vnet.ibm.com, akpm@...ux-foundation.org,
	xemul@...nvz.org, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	ebiederm@...ssion.com, containers@...ts.osdl.org, menage@...gle.com
Subject: Re: [-mm PATCH 4/8] Memory controller memory accounting (v2)

YAMAMOTO Takashi wrote:
>> On 7/10/07, YAMAMOTO Takashi <yamamoto@...inux.co.jp> wrote:
>>> hi,
>>>
>>>> diff -puN mm/memory.c~mem-control-accounting mm/memory.c
>>>> --- linux-2.6.22-rc6/mm/memory.c~mem-control-accounting       2007-07-05 13:45:18.000000000 -0700
>>>> +++ linux-2.6.22-rc6-balbir/mm/memory.c       2007-07-05 13:45:18.000000000 -0700
>>>> @@ -1731,6 +1736,9 @@ gotten:
>>>>               cow_user_page(new_page, old_page, address, vma);
>>>>       }
>>>>
>>>> +     if (mem_container_charge(new_page, mm))
>>>> +             goto oom;
>>>> +
>>>>       /*
>>>>        * Re-check the pte - we dropped the lock
>>>>        */
>>> it seems that the page will be leaked on error.
>> You mean meta_page right?
> 
> no.  i meant 'new_page'.
> 
> YAMAMOTO Takashi

Yes, I see. Thanks for clarifying.

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