WARNING: line length of 87 exceeds 80 columns
#87: FILE: tools/testing/selftests/bpf/prog_tests/ringbuf.c:108:
+	mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0);

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#121: 
new file mode 100644

total: 0 errors, 2 warnings, 0 checks, 115 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 a4adeb47de5d ("selftests/bpf: Add more ring buffer test coverage") 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, 115 lines checked