Re: [PATCH 12/21] dma-iommu: factor atomic pool allocations into helpers

[Christoph Hellwig]

On Thu, Apr 18, 2019 at 07:15:00PM +0100, Robin Murphy wrote:
> Still, I've worked in the vm_map_pages() stuff pending in MM and given them 
> the same treatment to finish the picture.

I had to drop this - given that the changes are only in -mm and not
an actual git tree we can't pull a tree for that in.  But on the plus
side we can trivially replace __iommu_dma_mmap with vm_map_pages at
any later point in time.