--- libmalloc/libmalloc-374.60.3/src/trace.h
+++ libmalloc/libmalloc-283.40.1/src/trace.h
@@ -30,11 +30,8 @@
 
 #ifndef _MALLOC_BUILDING_CODES_
 #include <sys/kdebug.h>
-__attribute__((cold))
-extern int
-kdebug_trace(uint32_t, uint64_t, uint64_t, uint64_t, uint64_t);
 #define MALLOC_TRACE(code,arg1,arg2,arg3,arg4) \
-	{ if (malloc_traced()) { kdebug_trace(code, arg1, arg2, arg3, arg4); } }
+	{ if (malloc_tracing_enabled) { kdebug_trace(code, arg1, arg2, arg3, arg4); } }
 #define TRACE_CODE(name, subclass, code) \
 	static const int TRACE_##name = KDBG_EVENTID(DBG_UMALLOC, subclass, code)
 #else