[PATCH] powerpc/mm: add ZONE_NORMAL zone for 64 bit kernel

[Tabi Timur-B04825]

On Mon, Jul 23, 2012 at 5:20 PM, Benjamin Herrenschmidt
<benh at 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