WARNING: line length of 85 exceeds 80 columns
#113: FILE: kernel/bpf/cgroup.c:433:
+			cnt += prog_list_length(&p->bpf.progs[atype], &preorder_cnt);

CHECK: spaces preferred around that '/' (ctx:VxV)
#147: FILE: kernel/bpf/cgroup.c:469:
+		for (i = 0; i < (init_bstart - bstart)/2; i++)
 		                                      ^

WARNING: line length of 90 exceeds 80 columns
#148: FILE: kernel/bpf/cgroup.c:470:
+			swap(progs->items[init_bstart - i], progs->items[bstart + 1 + i]);

WARNING: line length of 85 exceeds 80 columns
#175: FILE: kernel/bpf/cgroup.c:1093:
+			total_cnt += prog_list_length(&cgrp->bpf.progs[atype], NULL);

WARNING: line length of 83 exceeds 80 columns
#184: FILE: kernel/bpf/cgroup.c:1125:
+			cnt = min_t(int, prog_list_length(progs, NULL), total_cnt);

CHECK: Prefer using the BIT macro
#210: FILE: tools/include/uapi/linux/bpf.h:1210:
+#define BPF_F_PREORDER		(1U << 6)

total: 0 errors, 4 warnings, 2 checks, 134 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 0644eedc4095 ("bpf: Allow pre-ordering for bpf cgroup progs") 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, 2 checks, 134 lines checked