linux-kernel - Re: [PATCH 02/26] x86-64, NUMA: Simplify hotplug node handling in acpi_numa_memory_affinity

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Message-ID: <4D56CDDF.8050401@kernel.org>
Date:	Sat, 12 Feb 2011 10:13:51 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tejun Heo <tj@...nel.org>
CC:	linux-kernel@...r.kernel.org, x86@...nel.org, brgerst@...il.com,
	gorcunov@...il.com, shaohui.zheng@...el.com, rientjes@...gle.com,
	mingo@...e.hu, hpa@...ux.intel.com
Subject: Re: [PATCH 02/26] x86-64, NUMA: Simplify hotplug node handling in
 acpi_numa_memory_affinity_init()

On 02/12/2011 10:06 AM, Tejun Heo wrote:
> On Sat, Feb 12, 2011 at 7:04 PM, Yinghai Lu <yinghai@...nel.org> wrote:
>> no. if the node only have hotplug mem.
>> then nd->start and nd->end will be set to that hot plug range.
>> and old code does not clear nodes_parsed...
> 
> Eh?  The oldnode thing will restore the node to initial state thus
> fulfilling the node empty condition.  Am I missing something?
> 

yes. nd get restored, but it keep node_parsed set for that kind of node.

Yinghai
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