Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756430Ab0FHUte (ORCPT ); Tue, 8 Jun 2010 16:49:34 -0400 Received: from snt0-omc2-s34.snt0.hotmail.com ([65.55.90.109]:27830 "EHLO snt0-omc2-s34.snt0.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755392Ab0FHUtd convert rfc822-to-8bit (ORCPT ); Tue, 8 Jun 2010 16:49:33 -0400 Message-ID: X-Originating-IP: [164.116.126.146] From: Yuhong Bao To: , CC: , , Subject: RE: Windows side agrees that lowmem corruption is a problem too Date: Tue, 8 Jun 2010 13:49:32 -0700 Importance: Normal In-Reply-To: <4C0EA8A1.4020801@zytor.com> References: <4C0E949D.6090002@zytor.com> <20100608190848.GD25985@elte.hu> <201006082122.25089.linux@rainbow-software.org>,<4C0EA8A1.4020801@zytor.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT MIME-Version: 1.0 X-OriginalArrivalTime: 08 Jun 2010 20:49:32.0981 (UTC) FILETIME=[19138650:01CB074C] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1051 Lines: 17 > Disusing 64K is something we can do unconditionally (especially since > we're only talking about 60K -- 15 pages -- of actually usable memory > anyway.) Unless you really have no extended memory, agreed. > Dropping all the low 0.6 MB (which is what it really is) is probably > unacceptable by default, but perhaps it makes sense to use it only for > ZONE_DMA or something. For example, for really old 8-bit ISA devices that can only address 20-bit of address space and do not use the system 8237 DMA controller. Yuhong Bao _________________________________________________________________ The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with Hotmail. http://www.windowslive.com/campaign/thenewbusy?tile=multicalendar&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_5-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/