On Mon, Jul 23, 2012 at 5:20 PM, Benjamin Herrenschmidt
<b...@kernel.crashing.org> wrote:

> And ? Who cares ? Drivers who know about a 32-bit limitations use
> GFP_DMA32, that's what is expected, don't mess around with ZONE_DMA.

I thought drivers are supposed to set a dma_mask, and
dma_alloc_coherent() is supposed to use that to figure out how to
honor that mask.

-- 
Timur Tabi
Linux kernel developer at Freescale
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