206 		if (ns->gid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
210 		if (ns->uid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
214 		if (ns->projid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
321 	unsigned extents = map->nr_extents;  in map_id_range_down()
387 	unsigned extents = map->nr_extents;  in map_id_range_up()
680 	unsigned extents = map->nr_extents;  in m_start()
756 	for (idx = 0; idx < new_map->nr_extents; idx++) {  in mappings_overlap()
761 		if (new_map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in mappings_overlap()
793 	if (map->nr_extents == UID_GID_MAP_MAX_BASE_EXTENTS) {  in insert_extent()
806 		       map->nr_extents * sizeof(map->extent[0]));  in insert_extent()
812 	if (map->nr_extents < UID_GID_MAP_MAX_BASE_EXTENTS)  in insert_extent()
813 		dest = &map->extent[map->nr_extents];  in insert_extent()
815 		dest = &map->forward[map->nr_extents];  in insert_extent()
818 	map->nr_extents++;  in insert_extent()
858 	if (map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in sort_idmaps()
862 	sort(map->forward, map->nr_extents, sizeof(struct uid_gid_extent),  in sort_idmaps()
866 	map->reverse = kmemdup_array(map->forward, map->nr_extents,  in sort_idmaps()
872 	sort(map->reverse, map->nr_extents, sizeof(struct uid_gid_extent),  in sort_idmaps()
898 	for (idx = 0; idx < new_map->nr_extents; idx++) {  in verify_root_map()
899 		if (new_map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in verify_root_map()
980 	if (map->nr_extents != 0)  in map_write()
1041 		if ((new_map.nr_extents + 1) == UID_GID_MAP_MAX_EXTENTS &&  in map_write()
1051 	if (new_map.nr_extents == 0)  in map_write()
1063 	for (idx = 0; idx < new_map.nr_extents; idx++) {  in map_write()
1067 		if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in map_write()
1094 	if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS) {  in map_write()
1096 		       new_map.nr_extents * sizeof(new_map.extent[0]));  in map_write()
1102 	map->nr_extents = new_map.nr_extents;  in map_write()
1107 	if (ret < 0 && new_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in map_write()
1112 		map->nr_extents = 0;  in map_write()
1184 	if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1) &&  in new_idmap_permitted()
1276 		if (ns->gid_map.nr_extents != 0)  in proc_setgroups_write()
1300 	allowed = ns->gid_map.nr_extents != 0;  in userns_may_setgroups()