Subject: [PATCHv2 1/2] ARM: dma-mapping: add support for CMA regions placed in highmem zone

From: [email-masked] (Michal Nazarewicz)
Date: Mon, 04 Feb 2013 15:42:26 +0100

> On Mon, Feb 04, 2013 at 03:24:51PM +0100, Michal Nazarewicz wrote:
>> Perhaps it should use lowmem_page_address() then?

On Mon, Feb 04 2013, Russell King - ARM Linux wrote:
> It's well defined that page_address() will be non-NULL for lowmem pages.
> There is nothing wrong with the above.

It would save on a branch and a function call though.

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