From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx190.postini.com [74.125.245.190]) by kanga.kvack.org (Postfix) with SMTP id 928246B0005 for ; Tue, 19 Feb 2013 20:38:46 -0500 (EST) Message-ID: <51242908.2050308@huawei.com> Date: Wed, 20 Feb 2013 09:38:16 +0800 From: Xishi Qiu MIME-Version: 1.0 Subject: Re: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting References: <51074786.5030007@huawei.com> <1359995565.7515.178.camel@mfleming-mobl1.ger.corp.intel.com> <51131248.3080203@huawei.com> <5113450C.1080109@huawei.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Tony Luck Cc: Matt Fleming , fenghua.yu@intel.com, Liujiang , Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, Hanjun Guo , WuJianguo On 2013/2/20 5:56, Tony Luck wrote: > Foolishly sent an earlier reply from Outlook which appears > to have mangled/lost it. Trying again ... > >> In efi_init() memory aligns in IA64_GRANULE_SIZE(16M). If set "crashkernel=1024M-:600M" > > Is this where the real problem begins? Should we insist that users Hi Tony, I think this is the real problem begins and it only appears when use Sparse-Memory. > provide crashkernel > parameters rounded to GRANULE boundaries? > Seems like a good idea, should we modify "\linux\Documentation\kernel-parameters.txt"? Thanks, Xishi Qiu > -Tony > -- 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