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Message-Id: <200702130929.49349.andi@firstfloor.org>
Date: Tue, 13 Feb 2007 09:29:49 +0100
From: Andi Kleen <andi@...stfloor.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...l.org>,
Christoph Lameter <clameter@....com>, bob.picco@...com
Subject: Re: [RFC] [PATCH] more support for memory-less-node.
> In my understanding, a "node" is a block of cpu, memory, devices.
> and there could be cpu-only-node, memory-only-node, device-only-node...
The trouble with this is that you'll need to harden large parts
of code against these. Especially a NULL pgdat is something quite
dangerous. You could make it a dummy empty pgdat, but just assigning it
nearby seems easier.
-Andi
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