From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <43FBDFF9.4080002@jp.fujitsu.com> Date: Wed, 22 Feb 2006 12:52:25 +0900 From: KAMEZAWA Hiroyuki MIME-Version: 1.0 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: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Linux Kernel Mailing List , linux-mm , Dave Hansen , Andrew Morton List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org