linux-kernel - Re: [PATCH v2 0/6] correct load

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Message-ID: <20130422080135.GA19454@lge.com>
Date:	Mon, 22 Apr 2013 17:01:35 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2 0/6] correct load_balance()

On Tue, Mar 26, 2013 at 03:01:34PM +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 v3.9-rc4.
> 
> Changelog
> v1->v2: Changes from Peter's suggestion
>  [4/6]: don't include a code to evaluate load value in can_migrate_task()
>  [5/6]: rename load_balance_tmpmask to load_balance_mask
>  [6/6]: not use one more cpumasks, use env's cpus for prevent to re-select
> 
> Joonsoo Kim (6):
>   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: move up affinity check to mitigate useless redoing overhead
>   sched: rename load_balance_tmpmask to load_balance_mask
>   sched: prevent to re-select dst-cpu in load_balance()
> 
>  kernel/sched/core.c |    4 +--
>  kernel/sched/fair.c |   67 +++++++++++++++++++++++++++------------------------
>  2 files changed, 38 insertions(+), 33 deletions(-)

Hello, Ingo and Peter.

Just ping for this patchset.
Please let me know what I have to do for merging this patchset.

Thanks.

> 
> -- 
> 1.7.9.5
> 
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