WARNING: use of RCU tasks trace is incorrect outside BPF or core RCU code
#265: FILE: mm/bpf_oom.c:46:
+	rcu_read_lock_trace();

WARNING: line length of 84 exceeds 80 columns
#269: FILE: mm/bpf_oom.c:50:
+		st_link = rcu_dereference_check(memcg->css.cgroup->bpf.bpf_oom_link,

WARNING: use of RCU tasks trace is incorrect outside BPF or core RCU code
#270: FILE: mm/bpf_oom.c:51:
+						rcu_read_lock_trace_held());

WARNING: use of RCU tasks trace is incorrect outside BPF or core RCU code
#275: FILE: mm/bpf_oom.c:56:
+					    rcu_read_lock_trace_held());

WARNING: use of RCU tasks trace is incorrect outside BPF or core RCU code
#287: FILE: mm/bpf_oom.c:68:
+	rcu_read_unlock_trace();

WARNING: line length of 81 exceeds 80 columns
#323: FILE: mm/bpf_oom.c:104:
+	struct bpf_struct_ops_link *st_link = (struct bpf_struct_ops_link *)link;

WARNING: line length of 81 exceeds 80 columns
#342: FILE: mm/bpf_oom.c:123:
+	struct bpf_struct_ops_link *st_link = (struct bpf_struct_ops_link *)link;

total: 0 errors, 7 warnings, 0 checks, 355 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 2a9dcd4ff2cd ("mm: introduce BPF OOM struct ops") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 7 warnings, 0 checks, 355 lines checked