1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index e039906b037d..d21a74670088 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -129,7 +129,7 @@ static void __always_unused ____ftrace_check_##name(void)		\
 
 #undef FTRACE_ENTRY
 #define FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter)     \
-int                                                                     \
+static int __init                                                       \
 ftrace_define_fields_##name(struct ftrace_event_call *event_call)       \
 {                                                                       \
         struct struct_name field;                                       \
@@ -168,7 +168,7 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call)	\
 #define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, filter,\
                          regfn)                                         \
                                                                         \
-struct ftrace_event_class event_class_ftrace_##call = {                 \
+struct ftrace_event_class __refdata event_class_ftrace_##call = {       \
         .system                 = __stringify(TRACE_SYSTEM),            \
         .define_fields          = ftrace_define_fields_##call,          \
         .fields                 = LIST_HEAD_INIT(event_class_ftrace_##call.fields),\