linux-kernel - Re: [PATCH v3 3/5] sched/fair: Fix find_idlest

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Message-ID: <20170831135414.r6tutn6c35pt54ci@destiny>
Date:   Thu, 31 Aug 2017 09:54:15 -0400
From:   Josef Bacik <josef@...icpanda.com>
To:     Brendan Jackman <brendan.jackman@....com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Josef Bacik <josef@...icpanda.com>,
        Morten Rasmussen <morten.rasmussen@....com>
Subject: Re: [PATCH v3 3/5] sched/fair: Fix find_idlest_group when local
 group is not allowed

On Thu, Aug 31, 2017 at 12:58:00PM +0100, Brendan Jackman wrote:
> When the local group is not allowed we do not modify this_*_load from
> their initial value of 0. That means that the load checks at the end
> of find_idlest_group cause us to incorrectly return NULL. Fixing the
> initial values to ULONG_MAX means we will instead return the idlest
> remote group in that case.
> 

Reviewed-by: Josef Bacik <jbacik@...com>

Thanks,

Josef