linux-kernel - Re: [PATCH 4/4] sched,fair: remove effective

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Message-ID: <20170626144611.GA5775@worktop>
Date:   Mon, 26 Jun 2017 16:46:11 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     riel@...hat.com
Cc:     linux-kernel@...r.kernel.org, jhladky@...hat.com, mingo@...nel.org,
        mgorman@...e.de
Subject: Re: [PATCH 4/4] sched,fair: remove effective_load

On Mon, Jun 26, 2017 at 04:44:37PM +0200, Peter Zijlstra wrote:
> On Fri, Jun 23, 2017 at 12:55:30PM -0400, riel@...hat.com wrote:
> > From: Rik van Riel <riel@...hat.com>
> > 
> > The function effective_load was only used by the NUMA balancing
> > code, and not by the regular load balancing code. Now that the
> > NUMA balancing code no longer uses it either, get rid of it.
> 
> Hmm,... funny. It used to be used by wake-affine. I'll have to go check
> what happened.

Ah, it fell pray to that LLC == NUMA confusion from the previous patch.

That really looks buggered.