linux-kernel - Re: [Bug fix PATCH v2] numa, cpu hotplug: Change links of CPU and node when changing node number by onlining CPU

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Message-ID: <m2y5c9ut7k.fsf@firstfloor.org>
Date:	Tue, 23 Apr 2013 09:06:55 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	<kosaki.motohiro@...il.com>, <mingo@...nel.org>, <hpa@...or.com>,
	<srivatsa.bhat@...ux.vnet.ibm.com>, <linux-kernel@...r.kernel.org>,
	<x86@...nel.org>, <linux-mm@...ck.org>
Subject: Re: [Bug fix PATCH v2] numa, cpu hotplug: Change links of CPU and node when changing node number by onlining CPU

Andrew Morton <akpm@...ux-foundation.org> writes:
>
> Would it not be better to fix this by assigning those CPUs to their real,
> memoryless node right at the initial boot?  Or is there something in
> the kernel which makes cpus-on-a-memoryless-node not work correctly?

I probably added this originally. The original reason was that long
ago the VM was broken with memory less nodes. These days it is likely
obsolete.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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