/** * struct ttm_bo_kmap_obj * * @virtual: The current kernel virtual address. * @page: The page when kmap'ing a single page. * @bo_kmap_type: Type of bo_kmap. * * Object describing a kernel mapping. Since a TTM bo may be located * in various memory types with various caching policies, the * mapping can either be an ioremap, a vmap, a kmap or part of a * premapped region. */