WARNING: line length of 82 exceeds 80 columns
#30: FILE: include/linux/bpf.h:2611:
+void bpf_map_memcg_enter(const struct bpf_map *map, struct mem_cgroup **old_memcg,

WARNING: line length of 96 exceeds 80 columns
#41: FILE: include/linux/bpf.h:2639:
+static inline void bpf_map_memcg_enter(const struct bpf_map *map, struct mem_cgroup **old_memcg,

WARNING: line length of 82 exceeds 80 columns
#63: FILE: kernel/bpf/syscall.c:508:
+void bpf_map_memcg_enter(const struct bpf_map *map, struct mem_cgroup **old_memcg,

total: 0 errors, 3 warnings, 0 checks, 136 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 c0c2bc87d2d8 ("bpf: syscall: Introduce memcg enter/exit helpers") 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, 3 warnings, 0 checks, 136 lines checked