From: Manish Ahuja <ahuja@austin•ibm.com>
To: linasvepstas@gmail•com
Cc: mahuja@us•ibm.com, linuxppc-dev@ozlabs•org, paulus@samba•org
Subject: Re: [PATCH] pseries: phyp dump: Variable size reserve space.
Date: Fri, 18 Apr 2008 14:08:51 -0500 [thread overview]
Message-ID: <4808F1C3.3030703@austin.ibm.com> (raw)
In-Reply-To: <3ae3aa420804161322i10e5efe2v2f74e1f9d6698e90@mail.gmail.com>
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@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
prev parent reply other threads:[~2008-04-18 19:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-07 23:45 [PATCH] pseries: phyp dump: Variable size reserve space Manish Ahuja
2008-04-08 2:43 ` Olof Johansson
2008-04-09 17:32 ` Manish Ahuja
2008-04-09 19:39 ` Segher Boessenkool
2008-04-10 1:36 ` Paul Mackerras
2008-04-10 3:10 ` Segher Boessenkool
2008-04-09 17:37 ` Manish Ahuja
2008-04-09 18:30 ` Olof Johansson
2008-04-09 18:43 ` Manish Ahuja
2008-04-09 18:59 ` Olof Johansson
2008-04-11 23:31 ` Manish Ahuja
2008-04-15 6:24 ` Paul Mackerras
2008-04-15 22:56 ` Manish Ahuja
2008-04-16 19:42 ` Joel Schopp
2008-04-16 20:22 ` Linas Vepstas
2008-04-18 19:08 ` Manish Ahuja [this message]
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