NUM_CGROUP_LEVELS   11 tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c #define NUM_CGROUP_LEVELS	4
NUM_CGROUP_LEVELS   22 tools/testing/selftests/bpf/test_skb_cgroup_id_user.c #define NUM_CGROUP_LEVELS	4