Re: [RESEND PATCH 2/2] sched/fair: Optimize __update_sched_avg()

From: Peter Zijlstra
Date: Mon Apr 10 2017 - 04:40:57 EST


On Mon, Apr 10, 2017 at 08:39:10AM +0100, Dietmar Eggemann wrote:

> Are you planning to get rid of scale_load_down() for weight because of
> the correctness problems of the signal mentioned by Paul in this thread?

Yes; it would be good to (again) use all 20 bits of weight for the
load_avg things. It was one of the reasons we went to 20 in the first
place after all.

The patch was a quick draft and known broken, but thanks for having a
look.