WARNING: line length of 91 exceeds 80 columns
#114: FILE: mm/bpf_memcontrol.c:67:
+BTF_ID_FLAGS(func, bpf_get_mem_cgroup, KF_TRUSTED_ARGS | KF_ACQUIRE | KF_RET_NULL | KF_RCU)

WARNING: line length of 82 exceeds 80 columns
#131: FILE: mm/bpf_memcontrol.c:84:
+		pr_warn("error while registering bpf memcontrol kfuncs: %d", err);

total: 0 errors, 2 warnings, 0 checks, 97 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 e5c402d1e988 ("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 FILE_PATH_CHANGES 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, 2 warnings, 0 checks, 97 lines checked