182 		if (ns->gid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
186 		if (ns->uid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
190 		if (ns->projid_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in free_user_ns()
293 	unsigned extents = map->nr_extents;  in map_id_range_down()
356 	unsigned extents = map->nr_extents;  in map_id_up()
644 	unsigned extents = map->nr_extents;  in m_start()
720 	for (idx = 0; idx < new_map->nr_extents; idx++) {  in mappings_overlap()
725 		if (new_map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in mappings_overlap()
757 	if (map->nr_extents == UID_GID_MAP_MAX_BASE_EXTENTS) {  in insert_extent()
771 		       map->nr_extents * sizeof(map->extent[0]));  in insert_extent()
777 	if (map->nr_extents < UID_GID_MAP_MAX_BASE_EXTENTS)  in insert_extent()
778 		dest = &map->extent[map->nr_extents];  in insert_extent()
780 		dest = &map->forward[map->nr_extents];  in insert_extent()
783 	map->nr_extents++;  in insert_extent()
823 	if (map->nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in sort_idmaps()
827 	sort(map->forward, map->nr_extents, sizeof(struct uid_gid_extent),  in sort_idmaps()
832 			       map->nr_extents * sizeof(struct uid_gid_extent),  in sort_idmaps()
838 	sort(map->reverse, map->nr_extents, sizeof(struct uid_gid_extent),  in sort_idmaps()
892 	if (map->nr_extents != 0)  in map_write()
953 		if ((new_map.nr_extents + 1) == UID_GID_MAP_MAX_EXTENTS &&  in map_write()
963 	if (new_map.nr_extents == 0)  in map_write()
975 	for (idx = 0; idx < new_map.nr_extents; idx++) {  in map_write()
979 		if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS)  in map_write()
1006 	if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS) {  in map_write()
1008 		       new_map.nr_extents * sizeof(new_map.extent[0]));  in map_write()
1014 	map->nr_extents = new_map.nr_extents;  in map_write()
1019 	if (ret < 0 && new_map.nr_extents > UID_GID_MAP_MAX_BASE_EXTENTS) {  in map_write()
1024 		map->nr_extents = 0;  in map_write()
1092 	if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1) &&  in new_idmap_permitted()
1184 		if (ns->gid_map.nr_extents != 0)  in proc_setgroups_write()
1208 	allowed = ns->gid_map.nr_extents != 0;  in userns_may_setgroups()