From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751283AbWDCEmD (ORCPT ); Mon, 3 Apr 2006 00:42:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751387AbWDCEmD (ORCPT ); Mon, 3 Apr 2006 00:42:03 -0400 Received: from mail.gmx.de ([213.165.64.20]:52099 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S1751283AbWDCEmB (ORCPT ); Mon, 3 Apr 2006 00:42:01 -0400 X-Authenticated: #14349625 Subject: Re: lowmem_reserve question From: Mike Galbraith To: Con Kolivas Cc: Nick Piggin , ck@vds.kolivas.org, Andrew Morton , linux list In-Reply-To: <200604031248.13532.kernel@kolivas.org> References: <200604021401.13331.kernel@kolivas.org> <200604021939.21729.kernel@kolivas.org> <442F9E91.1020306@yahoo.com.au> <200604031248.13532.kernel@kolivas.org> Content-Type: text/plain Date: Mon, 03 Apr 2006 06:42:46 +0200 Message-Id: <1144039366.8198.2.camel@homer> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2006-04-03 at 12:48 +1000, Con Kolivas wrote: > Furthermore, now that we have the option of up to 3GB lowmem split on 32bit we > can have a default lowmem_reserve of almost 12MB (if I'm reading it right) > which seems very tight with only 16MB of ZONE_DMA. I haven't crawled around in the vm for ages, but I think that's only 16MB if you support antique cards. -Mike