[PATCH v2 07/10] iommu/intel: Support the gfp argument to the map_pages op

[Tian, Kevin]

> From: Jason Gunthorpe <jgg at nvidia.com>
> Sent: Thursday, January 19, 2023 2:01 AM
> 
> Flow it down to alloc_pgtable_page() via pfn_to_dma_pte() and
> __domain_mapping().
> 
> Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>

Reviewed-by: Kevin Tian <kevin.tian at intel.com>