Re: [PATCH 4/7 v3] sched: propagate load during synchronous attach/detach

[Peter Zijlstra]

On Thu, Sep 15, 2016 at 06:36:53PM +0100, Dietmar Eggemann wrote:

> > We did however loose a lot on why and how min(1, runnable_avg) is a
> > sensible thing to do...
> 
> Do you refer to the big comment on top of this if condition in the old
> code in __update_group_entity_contrib()? The last two subsections of it
> I never understood ...
> 
> [...]

Read the thread here:

  http://www.gossamer-threads.com/lists/linux/kernel/1558210

But Vince's explanation earlier is also good.