From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Date: Wed, 11 Jan 2006 23:23:35 +0100
Subject: Re: [Xenomai-help] PCI Framegrabber real-time driver
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To: Rodrigo Rosenfeld Rosas <lbocseg@domain.hid>
Cc: xenomai@xenomai.org

Rodrigo Rosenfeld Rosas wrote:
 > The memory is obtained passing the kernel the parameter "mem=510M". So, the 
 > kernel won't use the last 2 Mb. I know it is not an elegant solution but it's 
 > pretty simple and I can't imagine another one...

Another one, suggested in "Linux devices drivers", chapter 8, is to
allocate your memory at boot time with one of the alloc_bootmem
functions. Of course, in order to call these functions, a small part of
your driver need to run in the kernel itself.

For more details, see:
http://lwn.net/Kernel/LDD3/

-- 


					    Gilles Chanteperdrix.