Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752024Ab2KEC7i (ORCPT ); Sun, 4 Nov 2012 21:59:38 -0500 Received: from mga14.intel.com ([143.182.124.37]:32452 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752260Ab2KEC7g (ORCPT ); Sun, 4 Nov 2012 21:59:36 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,712,1344236400"; d="scan'208";a="164481239" Message-ID: <50972B94.7020106@zytor.com> Date: Mon, 05 Nov 2012 03:59:32 +0100 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121016 Thunderbird/16.0.1 MIME-Version: 1.0 To: "Zhang, Jun" CC: Thomas Gleixner , Ingo Molnar , "x86@kernel.org" , Andrew Morton , "Fleming, Matt" , Paul Gortmaker , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] crash dump: don't delete non-E820_RAM during init References: <88DC34334CA3444C85D647DBFA962C270FD7EAD3@SHSMSX102.ccr.corp.intel.com> <50909120.3040101@zytor.com> <88DC34334CA3444C85D647DBFA962C270FD7EB0B@SHSMSX102.ccr.corp.intel.com> <5090AB3C.5050405@zytor.com> <88DC34334CA3444C85D647DBFA962C270FD7EB3A@SHSMSX102.ccr.corp.intel.com> <5090B966.4040605@zytor.com> <88DC34334CA3444C85D647DBFA962C270FD7EF68@SHSMSX102.ccr.corp.intel.com> <88DC34334CA3444C85D647DBFA962C270FD7F039@SHSMSX102.ccr.corp.intel.com> <5093F6DA.7040709@zytor.com> <88DC34334CA3444C85D647DBFA962C270FD7F4B6@SHSMSX102.ccr.corp.intel.com> <509726D0.4010606@zytor.com> <88DC34334CA3444C85D647DBFA962C270FD7F507@SHSMSX102.ccr.corp.intel.com> In-Reply-To: <88DC34334CA3444C85D647DBFA962C270FD7F507@SHSMSX102.ccr.corp.intel.com> X-Enigmail-Version: 1.4.5 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 693 Lines: 16 On 11/05/2012 03:57 AM, Zhang, Jun wrote: > Hello, Anvin > 1) use "memmap=exactmap", which remove all ranges include ram and non-ram range. So my first patch reserve the non-ram range. > 2)don't use " memmap=exactmap ", so it reserve all ranges. But we only need non-ram, so we need kernel to remove RAM, just as my second patch. Sorry, you have completely lost me now. You seem to be contradicting yourself from one message to another. -hpa -- 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/