From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: clameter@sgi.com, hch@lst.de, davem@davemloft.net,
linux-kernel@vger.kernel.org, netdev@oss.sgi.com,
linux-mm@kvack.org
Subject: Re: [PATCH 2/3] add dev_to_node()
Date: Sat, 11 Nov 2006 09:08:51 +0900 [thread overview]
Message-ID: <20061111090851.73d4d3b6.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <1163183306.15159.6.camel@localhost>
On Fri, 10 Nov 2006 13:28:25 -0500
Lee Schermerhorn <Lee.Schermerhorn@hp.com> wrote:
> On Fri, 2006-11-10 at 10:16 -0800, Christoph Lameter wrote:
> > On Wed, 8 Nov 2006, KAMEZAWA Hiroyuki wrote:
> >
> > > I wonder there are no code for creating NODE_DATA() for device-only-node.
> >
> > On IA64 we remap nodes with no memory / cpus to the nearest node with
> > memory. I think that is sufficient.
>
> I don't think this happens anymore.
In my understanding , from drivers/acpi/numa.c,
a node is created by a pxm found in SRAT table at boot time.
the node-number for the pxm which was not found in SRAT at boot time is "-1".
please check how acpi_map_pxm_to_node() is used.
If pci's node-id is based on pxm, checking return vaule of pxm_to_node()
will be good.
-Kame
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prev parent reply other threads:[~2006-11-11 0:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-30 14:15 Christoph Hellwig
2006-10-30 22:33 ` David Miller, Christoph Hellwig
2006-11-01 0:10 ` Christoph Lameter
2006-11-01 0:53 ` David Miller, Christoph Lameter
2006-11-01 1:58 ` Christoph Lameter
2006-11-04 22:56 ` Christoph Hellwig
2006-11-04 23:06 ` Dave Jones
2006-11-04 23:09 ` Christoph Hellwig
2006-11-04 23:53 ` Christoph Hellwig
2006-11-05 8:22 ` David Miller, Christoph Hellwig
2006-11-06 23:39 ` Christoph Hellwig
2006-11-07 6:25 ` Ravikiran G Thirumalai
2006-11-07 10:15 ` Christoph Hellwig
2006-11-08 2:40 ` KAMEZAWA Hiroyuki
2006-11-10 18:16 ` Christoph Lameter
2006-11-10 18:28 ` Lee Schermerhorn
2006-11-11 0:08 ` KAMEZAWA Hiroyuki [this message]
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