WARNING: line length of 98 exceeds 80 columns
#75: FILE: tools/lib/bpf/libbpf.c:5632:
+					memcpy(map->mmaped + obj->arena_data_off, obj->arena_data,

CHECK: Alignment should match open parenthesis
#76: FILE: tools/lib/bpf/libbpf.c:5633:
+					memcpy(map->mmaped + obj->arena_data_off, obj->arena_data,
+						obj->arena_data_sz);

WARNING: line length of 83 exceeds 80 columns
#86: FILE: tools/lib/bpf/libbpf.c:14408:
+			*map_skel->mmaped = map->mmaped + map->obj->arena_data_off;

WARNING: line length of 91 exceeds 80 columns
#107: FILE: tools/testing/selftests/bpf/progs/verifier_arena_large.c:38:
+	page2 = bpf_arena_alloc_pages(&arena, (void __arena *)(ARENA_SIZE - 2 * PAGE_SIZE),

WARNING: line length of 87 exceeds 80 columns
#114: FILE: tools/testing/selftests/bpf/progs/verifier_arena_large.c:45:
+	no_page = bpf_arena_alloc_pages(&arena, (void __arena *)ARENA_SIZE - PAGE_SIZE,

total: 0 errors, 4 warnings, 1 checks, 81 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 a3008a020199 ("libbpf: move arena globals to the end of the arena") 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, 4 warnings, 1 checks, 81 lines checked