linux-kernel - Re: [PATCH v8 1/7] x86, memhp, numa: Online memory-less nodes at boot time.

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Message-ID: <bd359a28-7187-cec7-e83b-f7444f1b09a6@cn.fujitsu.com>
Date:	Wed, 20 Jul 2016 10:28:29 +0800
From:	Dou Liyang <douly.fnst@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
CC:	<cl@...ux.com>, <mika.j.penttila@...il.com>, <mingo@...hat.com>,
	<akpm@...ux-foundation.org>, <rjw@...ysocki.net>, <hpa@...or.com>,
	<yasu.isimatu@...il.com>, <isimatu.yasuaki@...fujitsu.com>,
	<kamezawa.hiroyu@...fujitsu.com>, <izumi.taku@...fujitsu.com>,
	<gongzhaogang@...pur.com>, <len.brown@...el.com>,
	<lenb@...nel.org>, <tglx@...utronix.de>, <chen.tang@...ystack.cn>,
	<rafael@...nel.org>, <x86@...nel.org>,
	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-mm@...ck.org>
Subject: Re: [PATCH v8 1/7] x86, memhp, numa: Online memory-less nodes at boot
 time.

在 2016年07月20日 02:50, Tejun Heo 写道:

> Hello,
>
> On Tue, Jul 19, 2016 at 03:28:02PM +0800, Dou Liyang wrote:
>> In this series of patches, we are going to construct cpu <-> node mapping
>> for all possible cpus at boot time, which is a 1-1 mapping. It means the
> 1-1 mapping means that each cpu is mapped to its own private node
> which isn't the case.  Just call it a persistent mapping?

Yes, for cpus, each cpu is in a persistent node.
However, the opposite is not that.

I will modify it.

Thanks.
Dou