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Date: Thu, 13 Aug 2009 10:49:45 +0800
From: Amerigo Wang <amwang@redhat.com>
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To: Bernhard Walle <bernhard.walle@gmx.de>
CC: linux-kernel@vger.kernel.org, tony.luck@intel.com,
       linux-ia64@vger.kernel.org, Neil Horman <nhorman@redhat.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Andi Kleen <andi@firstfloor.org>, akpm@linux-foundation.org,
       Fenghua Yu <fenghua.yu@intel.com>, Ingo Molnar <mingo@elte.hu>,
       Anton Vorontsov <avorontsov@ru.mvista.com>
Subject: Re: [Patch 0/8] V3 Implement crashkernel=auto
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Bernhard Walle wrote:
> * Amerigo Wang <amwang@redhat.com> [2009-08-12 10:15]:
>   
>> This series of patch implements automatically reserved memory for crashkernel,
>> by introducing a new boot option "crashkernel=auto". This idea is from Neil.
>>     
>
> Honestly I don't see why everything is guarded by
> CONFIG_KEXEC_AUTO_RESERVE. We do we need that new configuration
> option? I mean, if I don't specify 'crashkernel=auto', then the patch
> does nothing, right? Then the option CONFIG_KEXEC_AUTO_RESERVE would
> only be needed so save some bytes of code. Is that really worth it?
>   

Hi,  CONFIG_KEXEC_AUTO_RESERVE is not for saving bytes, it just provides 
a choice for the user to decide to enable it or not.

Thanks.