How to understand "high" or "low" in crashkernel configuration?

[Nan Xiao]

Hi Dave,

Got it, thanks very much!
Best Regards
Nan Xiao


On Thu, Nov 19, 2015 at 10:53 AM, Dave Young <dyoung at redhat.com> wrote:
> On 11/18/15 at 10:45pm, Nan Xiao wrote:
>> Hi all,
>>
>> When I use SuSE default Kdump configuration, I find there is "high" or "low" in
>> crashkernel's value, and it likes this:
>>
>>     crashkernel=xxM,high Or crashkernel=xxM,low
>>
>> But from this document(https://www.kernel.org/doc/Documentation/kdump/kdump.txt),
>> I can't find explanation of "high" or "low". How to understand it?
>
> You can find it in Documentation/kernel-parameters.txt
>
>
>>
>> Thanks very much in advance!
>>
>> Best Regards
>> Nan Xiao
>>
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>>