On Tue, Jun 07, 2022 at 10:43:35AM -0700, Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote: > memory_cgrp_id is defined in "vmlinux.h" (generated from BTF) which is > included through "bpf_iter.h". If the kernel is not compiled with > CONFIG_MEMCG then this enum value will not be defined and the bpf prog > should not compile. Cool. Then it works as I would have expected. Michal