Re: About bio-cgroup

[Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

KAMEZAWA Hiroyuki wrote:
> On Wed, 29 Oct 2008 17:07:18 +0900 (JST)
> Hirokazu Takahashi <taka-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> wrote:
> 
>> Hi,
>>
>>> Hi Ryo,
>>>
>>> The page_cgroup seems to be stable in the latest kernel.
>>> I'd like to know whether you have a plan or schedule to release
>>> a new version of bio-cgroup against latest kernel.
>> I have a plan on doing this.
>>
>> I thought I would start to implement it once the implementation of
>> memory cgroup got almost done. If you say the code of page_cgroup is
>> fixed, I'll start it from now on. I guess it'll be done in two weeks.
>>
> 
> code to page_cgroup itself will not be changed. (I hope)
> possible change will be
>   - new flags
>   - support to SwapCache
>   - swap_cgroup support (will be done independenly from page_cgroup.)
> 
> API of
>    lookup_page_cgroup()
>    lock_page_cgroup()
>    PCG_USED bit
> 
> will not change, I think.

I think you should not wait for stabilization, rather build on mmotm (-mm). Use
it and complain if it changes too often or becomes unusable for you.

-- 
	Balbir