WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#39: 
new file mode 100644

WARNING: line length of 85 exceeds 80 columns
#233: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:12:
+long bpf_task_under_cgroup(struct task_struct *task, struct cgroup *ancestor) __ksym;

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#247: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:26:
+const volatile int parent_pid;

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#248: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:27:
+const volatile int monitor_pid;

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#249: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:28:
+const volatile __u64 cgid;

WARNING: line length of 81 exceeds 80 columns
#312: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:91:
+		bpf_dynptr_from_mem(freeze_val, sizeof(freeze_val), 0, &dyn_ptr);

WARNING: line length of 81 exceeds 80 columns
#314: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:93:
+		bpf_dynptr_from_mem(unthaw_val, sizeof(unthaw_val), 0, &dyn_ptr);

WARNING: line length of 81 exceeds 80 columns
#326: FILE: tools/testing/selftests/bpf/progs/test_task_freeze_cgroup.c:105:
+int BPF_PROG(lsm_freeze_cgroup, int cmd, union bpf_attr *attr, unsigned int size)

total: 0 errors, 8 warnings, 0 checks, 327 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 914c9c5f36bb ("selftests/bpf: add selftest for bpf_cgroup_write_interface") 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, 8 warnings, 0 checks, 327 lines checked