linux-kernel - Re: [PATCH] sched/fair: move capacity

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Message-ID: <CAOesGMg-ZYzU=mA21dozNsJkFXkVN54Uv3rYpGmLsJEaKjA7mA@mail.gmail.com>
Date:   Tue, 11 Dec 2018 07:20:22 -0800
From:   Olof Johansson <olof@...om.net>
To:     Vincent Guittot <vincent.guittot@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Muchun Song <smuchun@...il.com>, morten.rasmussen@....com,
        mgorman@...hsingularity.net, srikar@...ux.vnet.ibm.com,
        patrick.bellasi@....com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sched/fair: move capacity_margin definition into #ifdef

On Mon, Dec 10, 2018 at 11:46 PM Vincent Guittot
<vincent.guittot@...aro.org> wrote:
>
> Hi Arnd,
>
> On Mon, 10 Dec 2018 at 22:01, Arnd Bergmann <arnd@...db.de> wrote:
> >
> > Marking the variable static showed that it's only used for
> > SMP builds, as seen from this warning:
> >
> > kernel/sched/fair.c:119:21: error: 'capacity_margin' defined but not used [-Werror=unused-variable]
> >  static unsigned int capacity_margin   = 1280;
>
> Olof sent a similar patch 2 weeks ago: https://lkml.org/lkml/2018/11/26/115

Yeah, Ingo seems to be high latency right now. :( Anyone else able to
pick it up? Peter?


-Olof