CHECK: extern prototypes should be avoided in .h files
#37: FILE: tools/testing/selftests/bpf/bpf_experimental.h:168:
+extern void bpf_iter_task_vma_release(struct bpf_iter_task_vma *it) __ksym;

WARNING: line length of 82 exceeds 80 columns
#172: FILE: tools/testing/selftests/bpf/progs/iters_task_vma_nosleep.c:42:
+		/* VMA pointer is now invalid. Accessing it should be rejected. */

total: 0 errors, 1 warnings, 1 checks, 204 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 c61eb5594370 ("selftests/bpf: Add tests for split task_vma iterator") 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, 1 warnings, 1 checks, 204 lines checked