linux-kernel - Re: [PATCH] Fix boot problem in situations where the boot CPU is running on a memoryless node

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Message-ID: <20080123144222.GA20156@csn.ul.ie>
Date:	Wed, 23 Jan 2008 14:42:23 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Olaf Hering <olaf@...fle.de>
Cc:	akpm@...ux-foundation.org, Christoph Lameter <clameter@....com>,
	Pekka Enberg <penberg@...helsinki.fi>, lee.schermerhorn@...com,
	Linux MM <linux-mm@...ck.org>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	hanth Aravamudan <nacc@...ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH] Fix boot problem in situations where the boot CPU is running on a memoryless node

On (23/01/08 15:27), Olaf Hering didst pronounce:
> On Wed, Jan 23, Mel Gorman wrote:
> 
> > This patch in combination with a partial revert of commit
> > 04231b3002ac53f8a64a7bd142fde3fa4b6808c6 fixes a regression between 2.6.23
> > and 2.6.24-rc8 where a PPC64 machine with all CPUS on a memoryless node fails
> > to boot. If approved by the SLAB maintainers, it should be merged for 2.6.24.
> 
> This change alone does not help, its not the version I tested.
> Will all the changes below go into 2.6.24 as well, in a seperate patch?
> 
> -       for_each_node_state(node, N_NORMAL_MEMORY) {
> +       for_each_online_node(node) {

Those changes are already in a separate patch and have been sent. I don't
see it in git yet but it should be on the way.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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