WARNING: Please use correct Fixes: style 'Fixes: <12+ chars of sha1> ("<title line>")' - ie: 'Fixes: 7c8d208d816d ("Merge branch 'introduce-arena-library-and-runtime'")'
#12: 
Fixes: 7c8d208d816d0504aa916138ae097d9cb4ed4e56 ("Introduce arena library and runtime)

CHECK: spaces preferred around that '*' (ctx:WxV)
#47: FILE: tools/testing/selftests/bpf/libarena/include/libarena/common.h:53:
+void arena_free(void __arena *ptr);
                              ^

CHECK: spaces preferred around that '*' (ctx:WxV)
#66: FILE: tools/testing/selftests/bpf/libarena/src/common.bpf.c:46:
+__weak void arena_free(void __arg_arena __arena *ptr)
                                                 ^

WARNING: From:/Signed-off-by: email address mismatch: 'From: Emil Tsalapatis <emil@etsalapatis.com>' != 'Signed-off-by: Emil Tsalapatis <etsal@meta.com>'

total: 0 errors, 2 warnings, 2 checks, 34 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 cecc4f87bd13 ("selftests/bpf: Rename libarena malloc/free methods") 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, 2 warnings, 2 checks, 34 lines checked