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From: Christoph Lameter <clameter@sgi.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>,
	bob.picco@hp.com
Subject: Re: [RFC] [PATCH] more support for memory-less-node.
Date: Tue, 13 Feb 2007 09:24:25 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0702130923540.23752@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <200702130929.49349.andi@firstfloor.org>

On Tue, 13 Feb 2007, Andi Kleen wrote:

> 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.

Plus there is the issue of having a pgdat but without any valid zone in 
it. This is what triggered Kame-sans recent bug.


  parent reply	other threads:[~2007-02-13 17:24 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-13  6:57 KAMEZAWA Hiroyuki
2007-02-13  8:29 ` Andi Kleen
2007-02-13  8:38   ` KAMEZAWA Hiroyuki
2007-02-13 17:25     ` Christoph Lameter
2007-02-14  0:12       ` KAMEZAWA Hiroyuki
2007-02-13 17:24   ` Christoph Lameter [this message]
2007-02-13 17:09 ` Martin J. Bligh
2007-02-13 17:45   ` Andi Kleen
2007-02-13 18:03     ` Christoph Lameter
2007-02-13 18:16       ` Martin J. Bligh
2007-02-13 18:50         ` Christoph Lameter
2007-02-14  0:20           ` KAMEZAWA Hiroyuki
2007-02-13 18:11     ` Martin J. Bligh
2007-02-13 18:18       ` Andi Kleen
2007-02-13 18:26         ` Martin J. Bligh
2007-02-13 18:51         ` Bob Picco
     [not found] <7NZO0-6et-1@gated-at.bofh.it>
     [not found] ` <7Oa6N-5If-3@gated-at.bofh.it>
     [not found]   ` <7Oaq4-6ow-7@gated-at.bofh.it>
     [not found]     ` <7Oaq6-6ow-17@gated-at.bofh.it>
2007-02-15 12:21       ` Bodo Eggert

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