*/
extern void ttm_bo_unref(struct ttm_buffer_object **bo);
-
-/**
- * ttm_bo_list_ref_sub
- *
- * @bo: The buffer object.
- * @count: The number of references with which to decrease @bo::list_kref;
- * @never_free: The refcount should not reach zero with this operation.
- *
- * Release @count lru list references to this buffer object.
- */
-extern void ttm_bo_list_ref_sub(struct ttm_buffer_object *bo, int count,
- bool never_free);
-
/**
* ttm_bo_add_to_lru
*
* and is usually called just immediately after the bo has been reserved to
* avoid recursive reservation from lru lists.
*/
-extern int ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
+extern void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
/**
* ttm_bo_move_to_lru_tail