From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 2 Apr 2007 15:49:56 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH 1/4] x86_64: Switch to SPARSE_VIRTUAL In-Reply-To: <461186A7.2020803@google.com> Message-ID: References: <20070401071024.23757.4113.sendpatchset@schroedinger.engr.sgi.com> <1175550968.22373.122.camel@localhost.localdomain> <200704030031.24898.ak@suse.de> <461186A7.2020803@google.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Martin Bligh Cc: Andi Kleen , Dave Hansen , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, KAMEZAWA Hiroyuki List-ID: On Mon, 2 Apr 2007, Martin Bligh wrote: > > For 64GB you'd need 256M which would be a quarter of low mem. Probably takes > > up too much of low mem. > > Yup. We could move whatever you currently use to handle that into i386 arch code. Or are there other platforms that do similar tricks with highmem? We already have special hooks for node lookups in sparsemem. Move all of that off into some arch dir? -- 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