linux-kernel - Re: [PATCH] sched,numa: document and fix numa_preferred

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Message-ID: <20150618164140.GB16576@linux.vnet.ibm.com>
Date:	Thu, 18 Jun 2015 22:11:40 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	linux-kernel@...r.kernel.org, peterz@...radead.org,
	mingo@...nel.org, mgorman@...e.de
Subject: Re: [PATCH] sched,numa: document and fix numa_preferred_nid setting

* Rik van Riel <riel@...hat.com> [2015-06-18 12:06:49]:

> >>
> > 
> > Overall this patch does seem to produce better results. However numa02
> > gets affected -vely.
> 
> OK, that is kind of expected.
> 
> The way numa02 runs means that we are essentially guaranteed
> that, on a two node system, both nodes end up in the numa_group's
> active_mask.
> 

Just to add this was on a 4 node machine.

-- 
Thanks and Regards
Srikar Dronamraju

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