Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934682Ab3DIDhO (ORCPT ); Mon, 8 Apr 2013 23:37:14 -0400 Received: from mail-ie0-f181.google.com ([209.85.223.181]:37627 "EHLO mail-ie0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756194Ab3DIDhM (ORCPT ); Mon, 8 Apr 2013 23:37:12 -0400 MIME-Version: 1.0 In-Reply-To: <51638A27.3040607@redhat.com> References: <1365113821-22749-1-git-send-email-yinghai@kernel.org> <1365113821-22749-2-git-send-email-yinghai@kernel.org> <51626D3D.4000907@redhat.com> <51638A27.3040607@redhat.com> Date: Mon, 8 Apr 2013 20:37:12 -0700 X-Google-Sender-Auth: qBeXNeIhizLzupW2sFakO1M3P0g Message-ID: Subject: Re: [PATCH v3 1/4] x86, kdump: Set crashkernel_low automatically From: Yinghai Lu To: Dave Young Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , WANG Chao , Vivek Goyal , "Eric W. Biederman" , Linux Kernel Mailing List Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 478 Lines: 15 On Mon, Apr 8, 2013 at 8:25 PM, Dave Young wrote: > I have another question, under x86_64 consider 1st kernel memory < 4G, > is the swiotlb memory still necessary? No. unless use swiotlb=force. Thanks Yinghai -- 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/