WARNING: line length of 83 exceeds 80 columns
#29: FILE: include/linux/bpf.h:2715:
+int bpf_stackmap_extract(struct bpf_map *map, void *key, void *value, bool delete);

total: 0 errors, 1 warnings, 0 checks, 68 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 adb4f719e2cf ("bpf: Add lookup_and_delete_elem for BPF_MAP_STACK_TRACE") 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, 1 warnings, 0 checks, 68 lines checked