+static void scan_alt_odb_packs(void)
+{
+ struct pack_list *local, *alt;
+
+ alt = altodb_packs;
+ while (alt) {
+ local = local_packs;
+ while (local) {
+ llist_sorted_difference_inplace(local->unique_objects,
+ alt->all_objects);
+ local = local->next;