Re: [PATCH v3 04/11] memcg: add lock to synchronize page accounting and migration

KAMEZAWA Hiroyuki
2010-10-19T00:50:40Z

On Mon, 18 Oct 2010 17:39:37 -0700
Greg Thelen <gthelen@google.com> wrote:

> Performance Impact: moving a 8G anon process.
>
> Before:
> real 0m0.792s
> user 0m0.000s
> sys 0m0.780s
>
> After:
> real 0m0.854s
> user 0m0.000s
> sys 0m0.842s
>
> This score is bad but planned patches for optimization can reduce
> this impact.
>

I'll post optimization patches after this set goes to -mm.
RFC version will be posted soon.

Thanks,
-Kame