443 move_unreachable(PyGC_Head *young, PyGC_Head *unreachable)  in move_unreachable()  argument
445     PyGC_Head *gc = young->gc.gc_next;  in move_unreachable()
456     while (gc != young) {  in move_unreachable()
474                             (void *)young);  in move_unreachable()
874     PyGC_Head *young; /* the generation we are examining */  in collect()  local
910     young = GEN_HEAD(generation);  in collect()
914         old = young;  in collect()
921     update_refs(young);  in collect()
922     subtract_refs(young);  in collect()
931     move_unreachable(young, &unreachable);  in collect()
934     if (young != old) {  in collect()
936             long_lived_pending += gc_list_size(young);  in collect()
938         gc_list_merge(young, old);  in collect()
943         untrack_dicts(young);  in collect()
945         long_lived_total = gc_list_size(young);  in collect()