From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue, 21 Feb 2006 19:41:20 -0800 (PST)
From: Christoph Lameter <clameter@engr.sgi.com>
Subject: Re: [PATCH] remove zone_mem_map
In-Reply-To: <43FBD995.20601@jp.fujitsu.com>
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 <Pine.LNX.4.64.0602211900450.23557@schroedinger.engr.sgi.com>
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To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Christoph Lameter <clameter@engr.sgi.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>, Dave Hansen <haveblue@us.ibm.com>, Andrew Morton <akpm@osdl.org>
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On Wed, 22 Feb 2006, KAMEZAWA Hiroyuki wrote:

> BTW, ia64 looks very special. Does it make sensible performance gain ?

Well yes, we actually have virtual mappings in kernel address space. 
F.e. The hotplug remove issues could be fixed there by remapping pages.

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