NVIF_VMM_PFNMAP_V0_W
*pfn |= NVIF_VMM_PFNMAP_V0_W;
args->p.phys[0] |= NVIF_VMM_PFNMAP_V0_W;
NVIF_VMM_PFNMAP_V0_W |
!(args->p.phys[0] & NVIF_VMM_PFNMAP_V0_W)) ||