linux-kernel - Re: [PATCH 12/19] sched:numa Remove numa_has

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Message-ID: <1528135631.7898.114.camel@surriel.com>
Date:   Mon, 04 Jun 2018 14:07:11 -0400
From:   Rik van Riel <riel@...riel.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>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 12/19] sched:numa Remove numa_has_capacity

On Mon, 2018-06-04 at 15:30 +0530, Srikar Dronamraju wrote:
> task_numa_find_cpu helps to find the cpu to swap/move the task.
> Its guarded by numa_has_capacity(). However node not having capacity
> shouldn't deter a task swapping if it helps numa placement.
> 
> Further load_too_imbalanced, which evaluates possibilities of
> move/swap,
> provides similar checks as numa_has_capacity.
> 
> Hence remove numa_has_capacity() to enhance possibilities of task
> swapping even if load is imbalanced.

> Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>

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

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