Re: [PATCH v3 3/4] x86, kdump: Change crashkernel_high/low= to crashkernel=;high/low

From: H. Peter Anvin
Date: Tue Apr 09 2013 - 12:49:57 EST


On 04/09/2013 09:47 AM, Vivek Goyal wrote:
> On Tue, Apr 09, 2013 at 08:00:57AM -0700, H. Peter Anvin wrote:
>> Please, no semicolons. We already have established syntax for suboptions (option=suboption,suboption,...) and suboptions with parameters (option=suboption:value,...)
>
> Ok, to understand it better, so crashkernel= will look as follows?
>
> crashkernel=suboption[,suboption[,....]][@offset]
>
> A suboption can be.
>
> - A memory value (128[KMG])
> - A range with value (range:size)
> - Or a property influencing memory allocation behavior (e.g high or low)
>
> If yes, sounds good.
>

Sorry, I don't quite grok @offset and range:size here.

What exactly does those bits do?

-hpa


--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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