diff -drupN a/kernel/bpf/Makefile b/kernel/bpf/Makefile
--- a/kernel/bpf/Makefile	2018-08-06 17:23:04.000000000 +0300
+++ b/kernel/bpf/Makefile	2022-06-12 05:28:14.000000000 +0300
@@ -5,3 +5,4 @@ obj-$(CONFIG_BPF_SYSCALL) += hashtab.o a
 ifeq ($(CONFIG_PERF_EVENTS),y)
 obj-$(CONFIG_BPF_SYSCALL) += stackmap.o
 endif
+obj-$(CONFIG_CGROUP_BPF) += cgroup.o