WARNING: line length of 81 exceeds 80 columns
#55: FILE: include/linux/bpf.h:2502:
+void *bpf_map_kmalloc_nolock(const struct bpf_map *map, size_t size, gfp_t flags,

WARNING: Argument '_map' is not used in function-like macro
#64: FILE: include/linux/bpf.h:2516:
+#define bpf_map_kmalloc_nolock(_map, _size, _flags, _node)	\
+		kmalloc_nolock(_size, _flags, _node)

WARNING: line length of 81 exceeds 80 columns
#141: FILE: kernel/bpf/syscall.c:523:
+void *bpf_map_kmalloc_nolock(const struct bpf_map *map, size_t size, gfp_t flags,

total: 0 errors, 3 warnings, 0 checks, 93 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 fb8d16522a4c ("bpf: Replace bpf_map_kmalloc_node() with kmalloc_nolock() to allocate bpf_async_cb structures.") 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, 93 lines checked