WARNING: line length of 81 exceeds 80 columns
#29: FILE: kernel/bpf/arena.c:557:
+static int arena_reserve_pages(struct bpf_arena *arena, long uaddr, u32 page_cnt)

WARNING: line length of 86 exceeds 80 columns
#31: FILE: kernel/bpf/arena.c:559:
+	long page_cnt_max = (arena->user_vm_end - arena->user_vm_start) >> PAGE_SHIFT;

WARNING: line length of 83 exceeds 80 columns
#61: FILE: kernel/bpf/arena.c:605:
+__bpf_kfunc int bpf_arena_reserve_pages(void *p__map, void *ptr__ign, u32 page_cnt)

WARNING: line length of 91 exceeds 80 columns
#79: FILE: kernel/bpf/arena.c:623:
+BTF_ID_FLAGS(func, bpf_arena_reserve_pages, KF_TRUSTED_ARGS | KF_SLEEPABLE | KF_ARENA_ARG2)

total: 0 errors, 4 warnings, 0 checks, 60 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 0ed546f2726d ("bpf/arena: add bpf_arena_reserve_pages kfunc") 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, 0 checks, 60 lines checked