Re: [PATCH, v7] cgroups: introduce timer slack controller

From: Kirill A. Shutemov
Date: Fri Mar 04 2011 - 18:22:20 EST


On Fri, Mar 04, 2011 at 08:03:42PM +0100, Peter Zijlstra wrote:
> On Wed, 2011-03-02 at 18:40 +0200, Kirill A. Shutsemov wrote:
> > - if (ret < current->timer_slack_ns)
> > - return current->timer_slack_ns;
> > - return ret;
> > + return clamp(__estimate_accuracy(&now),
> > + get_task_timer_slack(current), LONG_MAX);
>
> That actually makes the code worse, how about:
>
> min(__estimate_accuracy(), get_task_timer_slack()) ?

It's better. Thanks.

--
Kirill A. Shutemov
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