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Date: Wed, 4 Dec 2002 08:25:57 -0500 (EST)
From: "Richard B. Johnson" <root@chaos.analogic.com>
Reply-To: root@chaos.analogic.com
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
cc: Duncan Sands <baldrick@wanadoo.fr>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Reserving physical memory at boot time
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On 3 Dec 2002, Alan Cox wrote:

> On Tue, 2002-12-03 at 21:11, Richard B. Johnson wrote:
> > If you need a certain page reserved at boot-time you are out-of-luck.
> 
> Wrong - you can specify the precise memory map of a box as well as use 
> mem= to set the top of used memory. Its a painful way of marking a page
> and it only works for a page the kernel isnt loaded into.
> 

If you are refering to the "reserve=" kernel parameter, I don't
think it works for memory addresses that are inside existing RAM.
I guess if you used the "mem=" parameter to keep the kernel from
using that RAM, the combination might work, but I have never
tried it.


Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
   Bush : The Fourth Reich of America


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