The internal mechanisms support this, but instead of exposting the gfp to
the caller it wrappers it into iommu_map() and iommu_map_atomic()

Fix this instead of adding more variants for GFP_KERNEL_ACCOUNT.
Reviewed-by: NKevin Tian <kevin.tian@intel.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>
Reviewed-by: NMathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/1-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.comSigned-off-by: NJoerg Roedel <jroedel@suse.de>