[PATCH] pseries: phyp dump: Variable size reserve space.
Manish Ahuja
ahuja at austin.ibm.com
Sat Apr 19 05:08:51 EST 2008
Yeah, that makes sense, I will shortly send a documentation patch for all the boot vars
that I have added.
Thanks for reminding.
-Manish
Linas Vepstas wrote:
> On 07/04/2008, Manish Ahuja <ahuja at austin.ibm.com> wrote:
>> A small proposed change in the amount of reserve space we allocate during boot.
>> Currently we reserve 256MB only.
>> The proposed change does one of the 3 things.
>>
>> A. It checks to see if there is cmdline variable set and if found sets the
>> value to it. OR
>> B. It computes 5% of total ram and rounds it down to multiples of 256MB. AND
>> C. Compares the rounded down value and returns larger of two values, the new
>> computed value or 256MB.
>>
>> Again this is for large systems who have excess memory.
>>
> [...]
>> early_param("phyp_dump", early_phyp_dump_enabled);
>
> I'm pretty sure you will want to document this boot param in the documentation,
> as well as add a few words about why it might be interesting to users (i.e.
> that its for large systems...)
>
> --linas
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