Flow it down to alloc_pgtable_page() via pfn_to_dma_pte() and
__domain_mapping().
Reviewed-by: NKevin Tian <kevin.tian@intel.com>
Reviewed-by: NLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/7-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.comSigned-off-by: NJoerg Roedel <jroedel@suse.de>