diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index d7e7f42..a6d959d 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -111,7 +111,7 @@
 	return 0;
 }
 
-static struct packet_type trailer_packet_type = {
+static struct packet_type trailer_packet_type __read_mostly = {
 	.type	= cpu_to_be16(ETH_P_TRAILER),
 	.func	= trailer_rcv,
 };