Reserving physical memory in Linux

[Adam Lee]

On Mon, Dec 27, 2010 at 2:59 PM, Asha R <rd.asha22 at gmail.com> wrote:
> Hi,
> I want to reserve one range of physical memory say from 0x10000000 of 256MB
> in Linux. This region is required for DMA functions alone.
> Please help me understand how we can reserve this in Linux. Can this be
> done using boot options or any other?
>
> Regards,
> Asha

try adding "mem=256M$0x10000000" in arg.

via http://lxr.linux.no/source/Documentation/kernel-parameters.txt

-- 
Regards,
Adam Lee
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