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From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: mbligh@mbligh.org, ak@suse.de, linux-kernel@vger.kernel.org,
	akpm@osdl.org, bob.picco@hp.com
Subject: Re: [RFC] [PATCH] more support for memory-less-node.
Date: Wed, 14 Feb 2007 09:20:10 +0900	[thread overview]
Message-ID: <20070214092010.07ecc734.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0702131050340.26654@schroedinger.engr.sgi.com>

On Tue, 13 Feb 2007 10:50:53 -0800 (PST)
Christoph Lameter <clameter@sgi.com> wrote:

> On Tue, 13 Feb 2007, Martin J. Bligh wrote:
> 
> > What's wrong with just setting the existing counters like
> > node_spanned_pages / node_present_pages to zero?
> 
> Will this fix the breakage that Kame-san saw?
> 

Now, memory-less-node's presetn_pages and spanned_pages are zero.
and zone's present_pages is  zero, too.

We added populated_zone(zone) macro. This can check a zone has pages or not.
(see build_zonelist in page_alloc.c)

-Kame


  reply	other threads:[~2007-02-14  0:21 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
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 [this message]
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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