Messages in this thread | | | From | Vincent Guittot <> | Date | Tue, 30 Sep 2014 11:38:21 +0200 | Subject | Re: [PATCH] sched: fix spurious active migration |
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On 30 September 2014 10:41, Vincent Guittot <vincent.guittot@linaro.org> wrote: > Since commit caeb178c60f4 ("sched/fair: Make update_sd_pick_busiest() ...")
As someone asked me on IRC, I want to clarify that this commit is not yet in mainline but in tip/sched/core branch
> sd_pick_busiest returns a group that can be neither imbalanced nor overloaded > but is only more loaded than others. This change has been introduced to ensure > a better load balance in system that are not overloaded but as a side effect, > it can also generate useless active migration between groups. >
[snip]
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