From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754928AbbHXR0a (ORCPT ); Mon, 24 Aug 2015 13:26:30 -0400 Received: from tex.lwn.net ([70.33.254.29]:36399 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751235AbbHXR03 (ORCPT ); Mon, 24 Aug 2015 13:26:29 -0400 Date: Mon, 24 Aug 2015 11:26:23 -0600 From: Jonathan Corbet To: Yaowei Bai Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] Documentation: add 'crashkernel=auto' entry into kernel-parameters.txt Message-ID: <20150824112623.0b2f04a5@xps.lwn.net> In-Reply-To: <1440428669-4414-1-git-send-email-bywxiaobai@163.com> References: <1440428669-4414-1-git-send-email-bywxiaobai@163.com> Organization: LWN.net X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.28; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 24 Aug 2015 23:04:29 +0800 Yaowei Bai wrote: > There is no 'crashkernel=auto' entry in kernel-parameters.txt, borrow it > from kexec-kdump-howto.txt file in the kexec-tools-2.0.0 package. OK, so I did some digging here. As far as I can tell, there is no crashkernel=auto entry because the auto-reserve patch has never been merged into the mainline kernel. RHEL kernels appear to have it, but mainline doesn't. Thus, merging this patch would make the documentation incorrect, something I'd rather not do. I appreciate efforts to improve the kernel's documentation, but it is important to be sure that your proposed changes make the docs closer to reality, rather than further away. Thanks, jon