204 		if (ns->gid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
208 		if (ns->uid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
212 		if (ns->projid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
318 	unsigned extents = map->nr_extents;  in map_id_range_down()
384 	unsigned extents = map->nr_extents;  in map_id_range_up()
677 	unsigned extents = map->nr_extents;  in m_start()
753 	for (idx = 0; idx < new_map->nr_extents; idx++) {  in mappings_overlap()
758 		if (new_map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in mappings_overlap()
790 	if (map->nr_extents == UID_GID_MAP_MAX_BASE_EXTENTS) {  in insert_extent()
804 		       map->nr_extents * sizeof(map->extent[0]));  in insert_extent()
810 	if (map->nr_extents < UID_GID_MAP_MAX_BASE_EXTENTS)  in insert_extent()
811 		dest = &map->extent[map->nr_extents];  in insert_extent()
813 		dest = &map->forward[map->nr_extents];  in insert_extent()
816 	map->nr_extents++;  in insert_extent()
856 	if (map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in sort_idmaps()
860 	sort(map->forward, map->nr_extents, sizeof(struct uid_gid_extent),  in sort_idmaps()
864 	map->reverse = kmemdup_array(map->forward, map->nr_extents,  in sort_idmaps()
870 	sort(map->reverse, map->nr_extents, sizeof(struct uid_gid_extent),  in sort_idmaps()
896 	for (idx = 0; idx < new_map->nr_extents; idx++) {  in verify_root_map()
897 		if (new_map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in verify_root_map()
978 	if (map->nr_extents != 0)  in map_write()
1039 		if ((new_map.nr_extents + 1) == UID_GID_MAP_MAX_EXTENTS &&  in map_write()
1049 	if (new_map.nr_extents == 0)  in map_write()
1061 	for (idx = 0; idx < new_map.nr_extents; idx++) {  in map_write()
1065 		if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in map_write()
1092 	if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS) {  in map_write()
1094 		       new_map.nr_extents * sizeof(new_map.extent[0]));  in map_write()
1100 	map->nr_extents = new_map.nr_extents;  in map_write()
1105 	if (ret < 0 && new_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in map_write()
1110 		map->nr_extents = 0;  in map_write()
1182 	if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1) &&  in new_idmap_permitted()
1274 		if (ns->gid_map.nr_extents != 0)  in proc_setgroups_write()
1298 	allowed = ns->gid_map.nr_extents != 0;  in userns_may_setgroups()