linux-kernel - Re: [PATCH v2] sched: add a tuning knob to allow changing RR tmeslice

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Message-ID: <20130126121659.GH13445@gmail.com>
Date:	Sat, 26 Jan 2013 13:16:59 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Clark Williams <williams@...hat.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v2] sched: add a tuning knob to allow changing RR tmeslice


* Clark Williams <williams@...hat.com> wrote:

> On Fri, 25 Jan 2013 19:36:10 +0100
> Ingo Molnar <mingo@...nel.org> wrote:
> 
> > 
> > * Clark Williams <williams@...hat.com> wrote:
> > 
> > > > Shouldn't this be in kernel/sched/sched.h instead of the 
> > > > (already too large) linux/sched.h?
> > > 
> > > I don't think that will work be cause kernel/sysctl.c needs 
> > > the externs and I doubt we want to include 
> > > kernel/sched/sched.h from there.
> > 
> > Then at least introduce a new include/linux/sched_sysctl.h file 
> > please, and include it in sysctl.c and move this new knob there?
> > 
> > Other scheduler related sysctl knobs can move there too later 
> > on, reducing the burden on sched.h.
> > 
> > Thanks,
> > 
> > 	Ingo
> 
> 
> Like this?

I only suggested to create it for this new sysctl, but you doing 
the whole work for all scheduler sysctls is a perfect solution 
of course :-)

Thanks,

	Ingo
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