Date: Tue, 25 Aug 2015 20:49:45 +0800
From: Yaowei Bai <bywxiaobai@163.com>
To: Jonathan Corbet <corbet@lwn.net>
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: <20150825124945.GB2731@bbox>
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On Mon, Aug 24, 2015 at 11:26:23AM -0600, Jonathan Corbet wrote:
> On Mon, 24 Aug 2015 23:04:29 +0800
> Yaowei Bai <bywxiaobai@163.com> 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.

Yes, it's indeed in the RHEL/CentOS kernels. This's my mistake.

> 
> 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.

Very appreciate your wonderful work.

> 
> Thanks,
> 
> jon

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