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From: Andrew Morton <akpm@linux-foundation.org>
To: Andi Kleen <ak@suse.de>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	LKML <linux-kernel@vger.kernel.org>,
	clameter@sgi.com, GOTO <y-goto@jp.fujitsu.com>
Subject: Re: [BUG][PATCH] fix mempolcy's check on a system with memory-less-node take2
Date: Thu, 8 Feb 2007 00:24:28 -0800	[thread overview]
Message-ID: <20070208002428.1b7aa485.akpm@linux-foundation.org> (raw)
In-Reply-To: <200702080919.16879.ak@suse.de>

On Thu, 8 Feb 2007 09:19:16 +0100 Andi Kleen <ak@suse.de> wrote:

> The reason we present nodes to user space is that we can tell the user
> where the memory is. You seem to try to promote it to some abstract entity
> beyond that, but that doesn't seem particularly fruitful to me. I think
> I prefer "down to earth" memory nodes.

Who said a node is all about memory?

A node is (often) a circuit board, with an edge connector, containing some,
all or even none of a) CPUs, b) memory and c) IO devices.

That is how a kernel should model and treat it, surely?  That's reality.

  reply	other threads:[~2007-02-08  8:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08  2:06 KAMEZAWA Hiroyuki
2007-02-08  7:49 ` Andi Kleen
2007-02-08  8:00   ` Andrew Morton
2007-02-08  8:03     ` Andi Kleen
2007-02-08  8:08       ` Andrew Morton
2007-02-08  8:19         ` Andi Kleen
2007-02-08  8:24           ` Andrew Morton [this message]
2007-02-08  8:16   ` KAMEZAWA Hiroyuki

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