CHECK: Prefer using the BIT macro
#45: FILE: include/linux/btf.h:79:
+#define KF_ARENA_RET    (1 << 13) /* kfunc returns an arena pointer */

WARNING: line length of 90 exceeds 80 columns
#46: FILE: include/linux/btf.h:80:
+#define KF_ARENA_ARG1   (1 << 14) /* kfunc takes an arena pointer as its first argument */

CHECK: Prefer using the BIT macro
#46: FILE: include/linux/btf.h:80:
+#define KF_ARENA_ARG1   (1 << 14) /* kfunc takes an arena pointer as its first argument */

WARNING: line length of 91 exceeds 80 columns
#47: FILE: include/linux/btf.h:81:
+#define KF_ARENA_ARG2   (1 << 15) /* kfunc takes an arena pointer as its second argument */

CHECK: Prefer using the BIT macro
#47: FILE: include/linux/btf.h:81:
+#define KF_ARENA_ARG2   (1 << 15) /* kfunc takes an arena pointer as its second argument */

WARNING: line length of 104 exceeds 80 columns
#61: FILE: kernel/bpf/arena.c:580:
+BTF_ID_FLAGS(func, bpf_arena_alloc_pages, KF_TRUSTED_ARGS | KF_SLEEPABLE | KF_ARENA_RET | KF_ARENA_ARG2)

WARNING: line length of 88 exceeds 80 columns
#62: FILE: kernel/bpf/arena.c:581:
+BTF_ID_FLAGS(func, bpf_arena_free_pages, KF_TRUSTED_ARGS | KF_SLEEPABLE | KF_ARENA_ARG2)

total: 0 errors, 4 warnings, 3 checks, 19 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 a14c9aa1303c ("bpf: define KF_ARENA_* flags for bpf_arena kfuncs") 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, 4 warnings, 3 checks, 19 lines checked