+extern void ust_marker_set_new_ust_marker_cb(void (*cb)(struct ust_marker *));
+extern void init_ust_marker(void);
+
+/*
+ * trace_mark() -- TO BE DEPRECATED
+ * @channel: name prefix, not quoted. Ignored.
+ * @name: marker name, not quoted.
+ * @format: format string
+ * @args...: variable argument list
+ *
+ * Kept as a compatibility API and will be *DEPRECATED* in favor of
+ * ust_marker().
+ */
+#define trace_mark(channel, name, format, args...) \
+ __trace_mark_is_deprecated(); \
+ ust_marker(name, format, ## args)
+
+static inline __attribute__((deprecated))
+void __MARKER_LIB_IS_DEPRECATED()
+{
+}
+