From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Subject: Re: [PATCH v2 0/6] correct load_balance()
Date: Mon, 22 Apr 2013 17:01:35 +0900 [thread overview]
Message-ID: <20130422080135.GA19454@lge.com> (raw)
In-Reply-To: <1364277700-7509-1-git-send-email-iamjoonsoo.kim@lge.com>
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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next prev parent reply other threads:[~2013-04-22 8:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-26 6:01 [PATCH v2 0/6] correct load_balance() Joonsoo Kim
2013-03-26 6:01 ` [PATCH v2 1/6] sched: change position of resched_cpu() in load_balance() Joonsoo Kim
2013-03-26 6:01 ` [PATCH v2 2/6] sched: explicitly cpu_idle_type checking in rebalance_domains() Joonsoo Kim
2013-04-22 11:59 ` Peter Zijlstra
2013-03-26 6:01 ` [PATCH v2 3/6] sched: don't consider other cpus in our group in case of NEWLY_IDLE Joonsoo Kim
2013-04-22 11:59 ` Peter Zijlstra
2013-03-26 6:01 ` [PATCH v2 4/6] sched: move up affinity check to mitigate useless redoing overhead Joonsoo Kim
2013-03-26 6:01 ` [PATCH v2 5/6] sched: rename load_balance_tmpmask to load_balance_mask Joonsoo Kim
2013-03-26 6:01 ` [PATCH v2 6/6] sched: prevent to re-select dst-cpu in load_balance() Joonsoo Kim
2013-04-22 11:59 ` Peter Zijlstra
2013-04-22 8:01 ` Joonsoo Kim [this message]
2013-04-22 12:01 ` [PATCH v2 0/6] correct load_balance() Peter Zijlstra
2013-04-22 20:07 ` Davidlohr Bueso
2013-04-23 8:31 ` Joonsoo Kim
2013-04-23 8:50 ` Joonsoo Kim
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