From: Christoph Hellwig <hch@xxxxxx> Date: Sat, 8 Dec 2018 09:41:11 -0800 > Factor the code to remap memory returned from the DMA coherent allocator > into two helpers that can be shared by the IOMMU and direct mapping code. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>