linux-kernel - Re: [PATCH] sched: Fix numabalancing to work with isolated cpus

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Date:   Tue, 04 Apr 2017 14:56:58 -0400
From:   Rik van Riel <riel@...hat.com>
To:     Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Mel Gorman <mgorman@...hsingularity.net>
Subject: Re: [PATCH] sched: Fix numabalancing to work with isolated cpus

On Tue, 2017-04-04 at 22:57 +0530, Srikar Dronamraju wrote:
> 
> The isolated cpus are part of the cpus allowed list. In the above
> case,
> numabalancing ends up scheduling some of these tasks on isolated
> cpus.
> 
> To avoid this, please check for isolated cpus before choosing a
> target
> cpu.
> 
> Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>

Reviewed-by: Rik van Riel <riel@...hat.com>