WARNING: line length of 82 exceeds 80 columns
#42: FILE: include/linux/bpf.h:2700:
+int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value, u64 flags);

WARNING: line length of 85 exceeds 80 columns
#55: FILE: kernel/bpf/arraymap.c:298:
+int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value, u64 map_flags)

total: 0 errors, 2 warnings, 0 checks, 107 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 78df5ba4b384 ("bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_array maps") 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, 2 warnings, 0 checks, 107 lines checked