Date: Tue, 2 Oct 2007 16:36:24 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>, linux-kernel@vger.kernel.org,
       mpm@selenic.com, "Huang, Ying" <ying.huang@intel.com>,
       Thomas Gleixner <tglx@linutronix.de>,
       Christoph Lameter <clameter@sgi.com>, apw@shadowen.org,
       "Lee.Schermerhorn@hp.com" <Lee.Schermerhorn@hp.com>
Subject: Re: x86 patches was Re: -mm merge plans for 2.6.24
Message-Id: <20071002163624.74534e7f.kamezawa.hiroyu@jp.fujitsu.com>
In-Reply-To: <20071002001809.0a814d0b.akpm@linux-foundation.org>
References: <20071001142222.fcaa8d57.akpm@linux-foundation.org>
	<p733awu6nva.fsf@bingen.suse.de>
	<20071001233225.88c67e8b.akpm@linux-foundation.org>
	<20071002070110.GA30490@one.firstfloor.org>
	<20071002001809.0a814d0b.akpm@linux-foundation.org>
Organization: Fujitsu
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On Tue, 2 Oct 2007 00:18:09 -0700
Andrew Morton <akpm@linux-foundation.org> wrote:
> > 
> > > How come?  Memoryless node can and do occur in real-world machines.  Kernel
> > > should support that?
> > 
> > But a node is just defined by its memory? 
> 
> Don't think so.  A node is a lump of circuitry which can have zero or more
> CPUs, IO and memory.
> 
> It may initially have been conceived as a memory-only concept in the Linux
> kernel, but that doesn't fully map onto reality (does it?)
> 
> There was a real-world need for this, I think from the Fujitsu guys.  That
> should be spelled out in the changelog but isn't.

Yes, Fujitsu and HP guys really need this memory-less-node support. 

Thanks,
-Kame

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