linux-kernel - Re: [PATCH 0/6] Some load-balancer cleanups

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Date:	Fri, 18 Dec 2009 10:37:57 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Mike Galbraith <efault@....de>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/6] Some load-balancer cleanups

On Fri, 2009-12-18 at 07:57 +0100, Ingo Molnar wrote:
> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > Since RT has since grown its own load-balancer which is totally independent 
> > from CFS, we can remove some of the left-overs from back when.
> > 
> > Gets rid of the ->load_balance and ->move_one_task sched_class calls and 
> > removed the rq_iterator stuff.
> > 
> > Also carries a lock-break recently found wanted by -rt.
> > 
> > Compile tested with CGROUP/SMP/UP and booted on x86_64-SMP.
> > 
> >  include/linux/sched.h   |    8 -
> >  kernel/sched.c          | 1945 ++---------------------------------------------
> >  kernel/sched_fair.c     | 1778 +++++++++++++++++++++++++++++++++++++++++--
> >  kernel/sched_idletask.c |   21 -
> >  kernel/sched_rt.c       |   20 -
> >  5 files changed, 1805 insertions(+), 1967 deletions(-)
> 
> Nice cleanups! I think we want to delay its application to the scheduler tree 
> for a week or two, to not interact with any urgent fixes for the .33 code.

Sure, I'll keep them around until then.

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