bpf_mem_cgroup_page_state
BTF_ID_FLAGS(func, bpf_mem_cgroup_page_state)
memcg_query.nr_anon_mapped = bpf_mem_cgroup_page_state(
memcg_query.nr_shmem = bpf_mem_cgroup_page_state(
memcg_query.nr_file_pages = bpf_mem_cgroup_page_state(
memcg_query.nr_file_mapped = bpf_mem_cgroup_page_state(