From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 1 May 2002 14:06:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 1 May 2002 14:06:04 -0400 Received: from rj.SGI.COM ([192.82.208.96]:5836 "EHLO rj.sgi.com") by vger.kernel.org with ESMTP id ; Wed, 1 May 2002 14:06:02 -0400 Date: Wed, 1 May 2002 11:05:47 -0700 From: Jesse Barnes To: Andrea Arcangeli Cc: Daniel Phillips , Russell King , linux-kernel@vger.kernel.org Subject: Re: Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?] Message-ID: <20020501180547.GA1212440@sgi.com> Mail-Followup-To: Andrea Arcangeli , Daniel Phillips , Russell King , linux-kernel@vger.kernel.org In-Reply-To: <20020426192711.D18350@flint.arm.linux.org.uk> <20020429153500.B28887@dualathlon.random> <20020501042341.G11414@dualathlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 01, 2002 at 04:23:41AM +0200, Andrea Arcangeli wrote: > What's the advantage? And after you can have more than one mem_map, > after you added this "vector", then each mem_map will match a > discontigmem pgdat. Tell me a numa machine where there's an hole in the > middle of a node. The holes are always intra-node, never within the > nodes themself. So the nonlinear-numa should fallback to the stright Just FYI, there _are_ many NUMA machines with memory holes in the middle of a node. Check out the discontig patch at http://sf.net/projects/discontig for more info. Jesse