WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#30: 
new file mode 100644

WARNING: line length of 82 exceeds 80 columns
#115: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:81:
+		/* Freeze the top-level cgroup and enable the memory controller */

WARNING: line length of 87 exceeds 80 columns
#117: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:83:
+			err = write_cgroup_file(cgroups[i].path, "cgroup.freeze", "1");

WARNING: line length of 90 exceeds 80 columns
#121: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:87:
+			err = write_cgroup_file(cgroups[i].path, "cgroup.subtree_control",

WARNING: line length of 85 exceeds 80 columns
#132: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:98:
+			err = write_cgroup_file(cgroups[i].path, "memory.high", buf);

WARNING: line length of 83 exceeds 80 columns
#137: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:103:
+			write_cgroup_file(cgroups[i].path, "memory.swap.max", buf);

WARNING: line length of 86 exceeds 80 columns
#149: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:115:
+			err = write_cgroup_file(cgroups[i].path, "cgroup.procs", buf);

CHECK: Unnecessary parentheses around 'pid == cgroups[i].pid'
#190: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:156:
+			if (!ASSERT_OK(cgroups[i].victim !=
+				       (pid == cgroups[i].pid),
+				       "correct process was killed")) {

WARNING: line length of 81 exceeds 80 columns
#201: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:167:
+			size = read_cgroup_file(cgroups[i].path, "memory.events",

CHECK: Comparison to NULL could be written "!strstr"
#208: FILE: tools/testing/selftests/bpf/prog_tests/test_psi.c:174:
+			if (!ASSERT_OK(strstr(buf, "oom_kill 1") == NULL,

WARNING: line length of 81 exceeds 80 columns
#274: FILE: tools/testing/selftests/bpf/progs/test_psi.c:10:
+int bpf_out_of_memory(struct mem_cgroup *memcg, int order, bool wait_on_oom_lock,

total: 0 errors, 9 warnings, 2 checks, 300 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 9da2a113db03 ("bpf: selftests: psi struct ops test") 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, 9 warnings, 2 checks, 300 lines checked