--- xnu/xnu-12377.121.6/bsd/net/devtimer.c
+++ xnu/xnu-8019.41.5/bsd/net/devtimer.c
@@ -64,6 +64,8 @@
 	struct os_refcnt            dt_retain_count;
 };
 
+#define M_DEVTIMER      M_DEVBUF
+
 static __inline__ void
 timeval_add(struct timeval tv1, struct timeval tv2,
     struct timeval * result)