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GPUs in the same XGMI hive have direct access to all members'VRAM. When mapping memory to a GPU, we don't need hmm_range_fault to fault device-private pages in the same hive back to the host. Identifying the page owner as the hive, rather than the individual GPU, accomplishes this. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>