WARNING: line length of 91 exceeds 80 columns
#37: FILE: include/linux/bpf-cgroup.h:175:
+int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value, u64 flags);

WARNING: line length of 84 exceeds 80 columns
#81: FILE: kernel/bpf/local_storage.c:204:
+		bpf_long_memcpy(value, per_cpu_ptr(storage->percpu_buf, cpu), size);

WARNING: line length of 81 exceeds 80 columns
#98: FILE: kernel/bpf/local_storage.c:225:
+	if ((u32)map_flags & ~(BPF_ANY | BPF_EXIST | BPF_F_CPU | BPF_F_ALL_CPUS))

WARNING: line length of 84 exceeds 80 columns
#108: FILE: kernel/bpf/local_storage.c:244:
+		bpf_long_memcpy(per_cpu_ptr(storage->percpu_buf, cpu), value, size);

total: 0 errors, 4 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 49fd15666a99 ("bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_cgroup_storage 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, 4 warnings, 0 checks, 86 lines checked