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

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Message-ID: <20091218065755.GA23808@elte.hu>
Date:	Fri, 18 Dec 2009 07:57:55 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Mike Galbraith <efault@....de>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/6] Some load-balancer cleanups


* 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.

Thanks,

	Ingo
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