New files:
samples/bpf/memcg.c
samples/bpf/memcg.bpf.c

Modified files:
tools/include/uapi/linux/bpf.h
kernel/bpf/bpf_struct_ops.c
kernel/bpf/verifier.c
include/linux/bpf.h
tools/lib/bpf/libbpf.map
include/linux/memcontrol.h
mm/bpf_memcontrol.c
MAINTAINERS
mm/memcontrol.c
tools/lib/bpf/libbpf.c
samples/bpf/.gitignore
samples/bpf/Makefile
tools/lib/bpf/libbpf.h
tools/lib/bpf/bpf.c

Checking coverage for a new file: samples/bpf/memcg.c
  Section CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG) covers ~19 files
PASS

Checking coverage for a new file: samples/bpf/memcg.bpf.c
  Section CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG) covers ~19 files
PASS