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

From: Balbir Singh
Date: Wed Aug 15 2007 - 06:05:33 EST


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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/