WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#55: 
new file mode 100644

WARNING: line length of 84 exceeds 80 columns
#130: FILE: mm/bpf_memcontrol.c:71:
+__bpf_kfunc unsigned long bpf_mem_cgroup_events(struct mem_cgroup *memcg, int event)

CHECK: Blank lines aren't necessary after an open brace '{'
#132: FILE: mm/bpf_memcontrol.c:73:
+{
+

WARNING: line length of 86 exceeds 80 columns
#157: FILE: mm/bpf_memcontrol.c:98:
+__bpf_kfunc unsigned long bpf_mem_cgroup_page_state(struct mem_cgroup *memcg, int idx)

WARNING: line length of 82 exceeds 80 columns
#206: FILE: mm/bpf_memcontrol.c:147:
+		pr_warn("error while registering bpf memcontrol kfuncs: %d", err);

total: 0 errors, 4 warnings, 1 checks, 166 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 3e244a7d3f4b ("mm: introduce bpf kfuncs to deal with memcg pointers") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 4 warnings, 1 checks, 166 lines checked