[Devel] Re: About bio-cgroup

[Hirokazu Takahashi]

Hi,

> On Wed, 29 Oct 2008 14:32:29 +0530
> Balbir Singh <balbir at linux.vnet.ibm.com> wrote:
> 
> > KAMEZAWA Hiroyuki wrote:
> > > On Wed, 29 Oct 2008 17:07:18 +0900 (JST)
> > > Hirokazu Takahashi <taka at valinux.co.jp> 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.
> > 
> I think so, too ;)

Okay, I'll start it today. Just wait!

Thanks,
Hirokazu Takahashi.
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