[PATCH v3 5/8] dma-direct: Turn zone_dma_bits default value into a define

[Nicolas Saenz Julienne]

On Thu, 2020-10-15 at 07:38 +0200, Christoph Hellwig wrote:
> On Wed, Oct 14, 2020 at 09:12:07PM +0200, Nicolas Saenz Julienne wrote:
> > Set zone_dma_bits default value through a define so as for architectures
> > to be able to override it with their default value.
> 
> Architectures can do that already by assigning a value to zone_dma_bits
> at runtime.  I really do not want to add the extra clutter.

I'll remove it then.

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