Reserving physical memory in Linux

Rajat Sharma fs.rajat at
Mon Dec 27 02:27:23 EST 2010

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


On Mon, Dec 27, 2010 at 12:29 PM, Asha R <rd.asha22 at> 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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