linux-kernel - Re: [git] CFS-devel, group scheduler, fixes

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Message-Id: <1190632934.7853.1.camel@Homer.simpson.net>
Date:	Mon, 24 Sep 2007 13:22:14 +0200
From:	Mike Galbraith <efault@....de>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Tong Li <tong.n.li@...el.com>, Ingo Molnar <mingo@...e.hu>,
	dimm <dmitry.adamushko@...il.com>, linux-kernel@...r.kernel.org,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Subject: Re: [git] CFS-devel, group scheduler, fixes

On Mon, 2007-09-24 at 12:42 +0200, Mike Galbraith wrote:
> On Mon, 2007-09-24 at 12:24 +0200, Peter Zijlstra wrote:
> 
> > how about something like:
> > 
> >  s64 delta = (s64)(vruntime - min_vruntime);
> >  if (delta > 0)
> >   min_vruntime += delta;
> > 
> > That would rid us of most of the funny conditionals there.
> 
> That still left me with negative min_vruntimes.  The pinned hogs didn't
> lock my box up, but I quickly got the below, so hastily killed it.

Shouldn't the max() in place_entity() be the max_vruntime() that my
lysdexia told me it was when I looked at it earlier? ;-)

	-Mike

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