Re: [RFCv3 PATCH 46/48] sched: Turn off fast idling of cpus on a partially loaded system

[Peter Zijlstra]

On Wed, Feb 04, 2015 at 06:31:23PM +0000, Morten Rasmussen wrote:
> From: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
> 
> We do not want to miss out on the ability to do energy-aware idle load
> balancing if the system is only partially loaded since the operational
> range of energy-aware scheduling corresponds to a partially loaded
> system. We might want to pull a single remaining task from a potential
> src cpu towards an idle destination cpu if the energy model tells us
> this is worth doing to save energy.

Should this not pair with a change to need_active_balance() ?
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