From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 27 Apr 2007 09:27:36 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH] change global zonelist order on NUMA v2 Message-Id: <20070427092736.d0626a30.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: References: <20070426183417.058f6f9e.kamezawa.hiroyu@jp.fujitsu.com> <200704261147.44413.ak@suse.de> <20070426191043.df96c114.kamezawa.hiroyu@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: ak@suse.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org List-ID: On Thu, 26 Apr 2007 08:48:19 -0700 (PDT) Christoph Lameter wrote: > On Thu, 26 Apr 2007, KAMEZAWA Hiroyuki wrote: > > > (1)Use new zonelist ordering always and move init_task's tied cpu to a > > cpu on the best node. > > Child processes will start in good nodes even if Node 0 has small memory. > > How about renumbering the nodes? Node 0 is the one with no DMA memory and > node 1 may be the one with the DMA? That would take care of things even > without core modifications. We can start on node 0 (which hardware 1) and > consume the required memory for boot there not impacting the node with the > DMA memory. > It seems a bit complicated. If we do so, following can occur, Node1: cpu0,1,2,3 Node0: cpu4,5,6,7 the system layout will be not imaginable look, maybe. -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