linux-kernel - Re: [RFC v3 1/6] Track the active utilisation

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Message-ID: <20161118152840.GU3117@twins.programming.kicks-ass.net>
Date:   Fri, 18 Nov 2016 16:28:40 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     luca abeni <luca.abeni@...tn.it>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@....com>,
        Claudio Scordino <claudio@...dence.eu.com>
Subject: Re: [RFC v3 1/6] Track the active utilisation

On Fri, Nov 18, 2016 at 04:10:17PM +0100, luca abeni wrote:

> Ok; I originally made it signed because I wanted the "running_bw < 0"
> check, but I can change it to "dl_rq->running_bw > old" (I did not
> think about it).

Happy accident of me staring at unsigned over/under-flow for the past
several days :-)