BPF_MAP_GET_NEXT_ID 2907 kernel/bpf/syscall.c case BPF_MAP_GET_NEXT_ID: BPF_MAP_GET_NEXT_ID 593 tools/lib/bpf/bpf.c return bpf_obj_get_next_id(start_id, next_id, BPF_MAP_GET_NEXT_ID);