[-mm PATCH 4/9] Memory controller memory accounting (v4)

Balbir Singh balbir at linux.vnet.ibm.com
Wed Aug 15 03:02:30 PDT 2007


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


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