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From: Christoph Lameter <clameter@sgi.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, y-goto@jp.fujitsu.com,
	clameter@engr.sgi.com, akpm@osdl.org
Subject: Re: [2.6.20][PATCH] fix mempolicy error check on a system with memory-less-node
Date: Wed, 7 Feb 2007 00:04:41 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0702070002430.2188@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070207101400.feda1bf9.kamezawa.hiroyu@jp.fujitsu.com>

On Wed, 7 Feb 2007, KAMEZAWA Hiroyuki wrote:

> > Hmmm... Remove the node from the node_online_map instead?
> > 
> Changing defintion of node_online_map is harmfil. (there are cpu-only-nodes.)
> How about adding  nodemask for nodes equips memory ?

Ok that is better but...

Would it be possible to attach the cpus to the 
next nodes with memory and mark the node offline? That way we could avoid 
another mask that we constantly have to check?

Or fix the location where the error occurred to be able to tolerate a node 
with no zones?


  reply	other threads:[~2007-02-07  8:04 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-06 11:23 [2.6.20][PATCH] fix mempolicy error check on a system with memory-less-node KAMEZAWA Hiroyuki
2007-02-06 17:26 ` Christoph Lameter
2007-02-07  1:14   ` KAMEZAWA Hiroyuki
2007-02-07  8:04     ` Christoph Lameter [this message]
2007-02-07  8:36       ` KAMEZAWA Hiroyuki
2007-02-07  8:36         ` [2.6.20][PATCH] fix mempolicy error check on a system with KAMEZAWA Hiroyuki
2007-02-08 11:49         ` [2.6.20][PATCH] fix mempolicy error check on a system with memory-less-node Bob Picco
2007-02-08 11:49           ` Bob Picco
2007-02-07 10:20       ` Andi Kleen
2007-02-07 10:20 ` Andi Kleen
2007-02-07 10:07   ` KAMEZAWA Hiroyuki
2007-02-07 10:19     ` Andi Kleen
2007-02-07 10:37       ` KAMEZAWA Hiroyuki
2007-02-07 10:41         ` Andi Kleen
2007-02-07 10:49           ` KAMEZAWA Hiroyuki
2007-02-07 11:32             ` Andi Kleen
2007-02-07 12:27               ` KAMEZAWA Hiroyuki
2007-02-07 14:05     ` Christoph Lameter
2007-02-07 15:28       ` KAMEZAWA Hiroyuki
2007-02-07 14:03   ` Christoph Lameter
2007-02-07 16:23   ` Andrew Morton
2007-02-07 16:50     ` Andi Kleen
2007-02-07 17:43       ` Andrew Morton
2007-02-07 18:15         ` [PATCH] FS : Speedup rw_verify_area() Eric Dumazet
2007-02-08  0:37         ` [2.6.20][PATCH] fix mempolicy error check on a system with memory-less-node KAMEZAWA Hiroyuki
2007-02-08 19:09         ` Christoph Lameter
2007-02-08 19:26           ` Andrew Morton
2007-02-08 19:35             ` Christoph Lameter

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