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

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On Mon, 18 Oct 2010 17:39:37 -0700
Greg Thelen <gthelen@xxxxxxxxxx> 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

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