linux-kernel - Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory

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Date:	Thu, 16 Nov 2006 09:54:29 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Christoph Lameter <clameter@....com>
Cc:	mbligh@...igh.org, steiner@....com, krafft@...ibm.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 2/2] enables booting a NUMA system where some nodes have
 no memory

On Wed, 15 Nov 2006 14:52:43 -0800 (PST)
Christoph Lameter <clameter@....com> wrote:

> On Wed, 15 Nov 2006, Martin Bligh wrote:
> 
> > All we need is an appropriate zonelist for each node, pointing to
> > the memory it should be accessing.
> 
> But there is no memory on the node. Does the zonelist contain the zones of 
> the node without memory or not? We simply fall back each allocation to the 
> next node as if the node was overflowing?
> 
yes. just fallback.
The zonelist[] donen't contain empty-zone.

-Kame

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