Reserving physical memory in Linux

[Rajat Sharma]

look at alloc_bootmem and family of function to allocate memory at
boot time, description for same is available in chapter 8 Linux device
drivers.

Rajat

On Mon, Dec 27, 2010 at 12:29 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
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