pt_walk_range
pt_walk_range(&range, __unmap_range, &unmap);
pt_walk_range(&range, __collect_tables, &collect);
ret = pt_walk_range(&range, __iova_to_phys, &res);
ret = pt_walk_range(&range, __read_and_clear_dirty, &dirty_args);
return pt_walk_range(&range, __set_dirty, NULL);
ret = pt_walk_range(range, __map_single_page, map);
return pt_walk_range(range, __map_range_leaf, map);
return pt_walk_range(range, __map_range, map);
ret = pt_walk_range(&range, __check_all_levels, &chk);
pt_walk_range(&range, __count_valids, &valids));
pt_walk_range(&range, __count_valids, &valids));
pt_walk_range(&range, __count_valids, &valids));