WARNING: line length of 82 exceeds 80 columns
#42: FILE: include/linux/bpf.h:2721:
+int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value, u64 flags);

WARNING: line length of 85 exceeds 80 columns
#69: FILE: kernel/bpf/arraymap.c:310:
+int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value, u64 map_flags)

WARNING: line length of 82 exceeds 80 columns
#97: FILE: kernel/bpf/arraymap.c:412:
+	if (unlikely((map_flags & BPF_F_LOCK) || (u32)map_flags > BPF_F_ALL_CPUS))

total: 0 errors, 3 warnings, 0 checks, 86 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 9b6a8b350903 ("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, 3 warnings, 0 checks, 86 lines checked