[PATCH RFC 1/5] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable

[Nicolas Saenz Julienne]

On Wed, 2019-10-30 at 14:49 -0700, Christoph Hellwig wrote:
> On Mon, Oct 14, 2019 at 08:31:03PM +0200, Nicolas Saenz Julienne wrote:
> > Some architectures, notably ARM, are interested in tweaking this
> > depending on their runtime DMA addressing limitations.
> > 
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
> 
> Do you want me to pick this up for the 5.5 dma-mapping tree, or do you
> want me to wait for the rest to settle?

I'd say take it, this will be ultimately needed once we push forward with ARM.

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