linux-kernel - Re: [PATCH 0/8] correct load

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Message-ID: <20130225045659.GB12158@lge.com>
Date:	Mon, 25 Feb 2013 13:56:59 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] correct load_balance()

On Thu, Feb 14, 2013 at 02:48:33PM +0900, Joonsoo Kim wrote:
> Commit 88b8dac0 makes load_balance() consider other cpus in its group.
> But, there are some missing parts for this feature to work properly.
> This patchset correct these things and make load_balance() robust.
> 
> Others are related to LBF_ALL_PINNED. This is fallback functionality
> when all tasks can't be moved as cpu affinity. But, currently,
> if imbalance is not large enough to task's load, we leave LBF_ALL_PINNED
> flag and 'redo' is triggered. This is not our intention, so correct it.
> 
> These are based on v3.8-rc7.
> 
> Joonsoo Kim (8):
>   sched: change position of resched_cpu() in load_balance()
>   sched: explicitly cpu_idle_type checking in rebalance_domains()
>   sched: don't consider other cpus in our group in case of NEWLY_IDLE
>   sched: clean up move_task() and move_one_task()
>   sched: move up affinity check to mitigate useless redoing overhead
>   sched: rename load_balance_tmpmask to load_balance_cpu_active
>   sched: prevent to re-select dst-cpu in load_balance()
>   sched: reset lb_env when redo in load_balance()
> 
>  kernel/sched/core.c |    9 +++--
>  kernel/sched/fair.c |  107 +++++++++++++++++++++++++++++----------------------
>  2 files changed, 67 insertions(+), 49 deletions(-)

Hello, Ingo and Peter.

Could you review this patch set?
Please let me know what I should do for merging this?

Thanks.

> -- 
> 1.7.9.5
> 
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