linux-kernel - Re: [PATCH 0/2] mm: vmemmap: add vmemmap_verify check for hot-add node/memory case

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Message-ID: <516376B3.90207@cn.fujitsu.com>
Date:	Tue, 09 Apr 2013 10:02:27 +0800
From:	Lin Feng <linfeng@...fujitsu.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Catalin Marinas <catalin.marinas@....com>, will.deacon@....com,
	Arnd Bergmann <arnd@...db.de>, tony@...mide.com,
	Ben Hutchings <ben@...adent.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux MM <linux-mm@...ck.org>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
Subject: Re: [PATCH 0/2] mm: vmemmap: add vmemmap_verify check for hot-add
 node/memory case

Hi Yinghai,

On 04/09/2013 02:40 AM, Yinghai Lu wrote:
> On Mon, Apr 8, 2013 at 2:56 AM, Lin Feng <linfeng@...fujitsu.com> wrote:
>> In hot add node(memory) case, vmemmap pages are always allocated from other
>> node,
> 
> that is broken, and should be fixed.
> vmemmap should be on local node even for hot add node.
> 

Have you ever sent any relative patchset on this, maybe we can run some test
on it ;-)

thanks,
linfeng
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