Re: [PATCH v3 3/4] memcg: optimize memcg_get_hierarchical_limit

[Kamezawa Hiroyuki]

(2012/06/25 20:09), Michal Hocko wrote:
> On Mon 25-06-12 18:43:57, Wanpeng Li wrote:
> > On Mon, Jun 25, 2012 at 06:52:25PM +0900, Kamezawa Hiroyuki wrote:
> > > (2012/06/25 17:44), Wanpeng Li wrote:
> > > > From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx>
> > > >
> > > > Optimize memcg_get_hierarchical_limit to save cpu cycle.
> > > >
> > > > Signed-off-by: Wanpeng Li <liwp.linux@xxxxxxxxx>
> > >
> > > I can't understand the benefit of this patch to the real world...
> > >
> > > So, if you wrote the patch description as "clean up" rather than optimize,
> > > ok, I'll agree.
> > OK, I will change to "Cleanup". Thank you Kame.
>
> Does this really clean something up?

I just thought unused variable is trash even if it disappears after complie.

Thanks,
-Kame


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