Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751323AbWBVDvd (ORCPT ); Tue, 21 Feb 2006 22:51:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751329AbWBVDvd (ORCPT ); Tue, 21 Feb 2006 22:51:33 -0500 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:9350 "EHLO fgwmail7.fujitsu.co.jp") by vger.kernel.org with ESMTP id S1751323AbWBVDvb (ORCPT ); Tue, 21 Feb 2006 22:51:31 -0500 Message-ID: <43FBDFF9.4080002@jp.fujitsu.com> Date: Wed, 22 Feb 2006 12:52:25 +0900 From: KAMEZAWA Hiroyuki User-Agent: Thunderbird 1.5 (Windows/20051201) MIME-Version: 1.0 To: Christoph Lameter CC: Linux Kernel Mailing List , linux-mm , Dave Hansen , Andrew Morton Subject: Re: [PATCH] remove zone_mem_map References: <43FBAEBA.2020300@jp.fujitsu.com> <43FBD995.20601@jp.fujitsu.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 685 Lines: 19 Christoph Lameter wrote: > 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. > Ah, if we place node_data[i](array of pointer to pgdat) in region 7, there is no trouble ? (maybe zone_table[] should be also..) -- Kame - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/