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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>
Subject: Re: [PATCH] change global zonelist order v4 [0/2]
Date: Fri, 4 May 2007 10:36:01 -0700	[thread overview]
Message-ID: <200705041036.01904.jbarnes@virtuousgeek.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0705041027030.22643@schroedinger.engr.sgi.com>

On Friday, May 04, 2007, Christoph Lameter wrote:
> On Fri, 4 May 2007, Lee Schermerhorn wrote:
> > Hmmm...  "serious hackery", indeed!  ;-)
>
> Maybe on the arch level but minimal changes to core code.
> And it is a step towards avoiding zones in NUMA.

You mentioned that if node 0 has a small ZONE_NORMAL and the ZONE_DMA for 
the system, defaulting to using ZONE_NORMAL on all nodes first would be a 
bad idea.  Is that really true?  Maybe for ZONE_DMA32 it is since that 
first node could have a few gigs of memory, but for regular ZONE_DMA it's 
probably the right thing to do...

So aside from the comment issues Lee already pointed out, I think 
Kamezawa-san's patch from 
http://marc.info/?l=linux-mm&m=117758484122663&w=4 seems reasonable.

Jesse

  reply	other threads:[~2007-05-04 17:36 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-27  5:45 KAMEZAWA Hiroyuki
2007-04-27  6:04 ` [PATCH] change global zonelist order v4 [1/2] change zonelist ordering KAMEZAWA Hiroyuki
2007-04-30 16:12   ` Lee Schermerhorn
2007-04-27  6:17 ` [PATCH] change global zonelist order v4 [2/2] auto configuration KAMEZAWA Hiroyuki
2007-04-30 16:26   ` Lee Schermerhorn
2007-05-04  5:47 ` [PATCH] change global zonelist order v4 [0/2] Andrew Morton
2007-05-04 15:26   ` Jesse Barnes
2007-05-04 16:18     ` Christoph Lameter
2007-05-04 17:24       ` Lee Schermerhorn
2007-05-04 17:28         ` Christoph Lameter
2007-05-04 17:36           ` Jesse Barnes [this message]
2007-05-04 18:03             ` Christoph Lameter
2007-05-04 17:12   ` Lee Schermerhorn

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