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SubjectRe: [PATCH v6 0/9] memcg: per cgroup dirty page accounting
On Mon, 14 Mar 2011 19:51:22 -0700
Greg Thelen <gthelen@google.com> wrote:

> On Mon, Mar 14, 2011 at 6:56 PM, KAMEZAWA Hiroyuki
> <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> > On Mon, 14 Mar 2011 11:29:17 -0700
> > Greg Thelen <gthelen@google.com> wrote:
> >
> >> On Fri, Mar 11, 2011 at 5:10 PM, Andrew Morton
> The foreign dirtier issue is all about identifying the memcg (or
> possibly multiple bdi) that need balancing. If the foreign dirtier
> issue is not important then we can focus on identifying inodes to
> writeback that will lower the current's memcg dirty usage. I am fine
> ignoring the foreign dirtier issue for now and breaking the problem
> into smaller pieces.
>
ok.

> I think this can be done with out any additional state. Can just scan
> the memcg lru to find dirty file pages and thus inodes to pass to
> sync_inode(), or some other per-inode writeback routine?
>

I think it works, finding inodes to be cleaned by LRU scanning.

Thanks,
-Kame



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