dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN

This allows all dma_map_ops instances to entirely rely on
DMA_ATTR_NO_WARN going forward.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Robin Murphy <robin.murphy@arm.com>
This commit is contained in:
Christoph Hellwig 2018-09-24 13:06:58 +02:00
commit 7ed1d91a9e