linux-kernel - Re: [PATCH 1/2] sched: move scheduler sysctl bits into dedicated header file

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Message-ID: <20130129115743.0f9e67dc@redhat.com>
Date:	Tue, 29 Jan 2013 11:57:43 -0600
From:	Clark Williams <williams@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] sched: move scheduler sysctl bits into dedicated
 header file

On Tue, 29 Jan 2013 15:05:43 +0900
Namhyung Kim <namhyung@...nel.org> wrote:

> Hi Clark,
> 
> On Mon, 28 Jan 2013 14:31:20 -0600, Clark Williams wrote:
> > Move all the scheduler sysctl-related bits out of include/linux/sched.h
> > into a new file include/linux/sched_sysctl.h.
> >
> > Signed-off-by: Clark Williams <williams@...hat.com>
> > ---
> [snip]
> > diff --git a/include/linux/sched_sysctl.h b/include/linux/sched_sysctl.h
> > new file mode 100644
> > index 0000000..912adab
> > --- /dev/null
> > +++ b/include/linux/sched_sysctl.h
> > @@ -0,0 +1,121 @@
> > +#ifndef _SCHED_SYSCTL_H
> > +#define _SCHED_SYSCTL_H
> > +
> > +
> > +/* provide a home for sysctl scheduler tuning knobs */
> > +
> > +/*
> > + * default timeslice is 100 msecs (used only for SCHED_RR tasks).
> > + * Timeslices get refilled after they expire.
> > + */
> > +#define RR_TIMESLICE		(100 * HZ / 1000)
> 
> It seems this line came from sched.h but I can't find that part
> deleted.
> 

Arggghh! I reorganized the commits and didn't remove RR_TIMESLICE when
I moved it. I'm surprised it compiled. 

I can generate a new patchset or let Ingo just remove it from sched.h.

Clark

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