diff --git a/net/core/utils.c b/net/core/utils.c
index 34f0810..adecfd2 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -30,9 +30,9 @@ #include <asm/byteorder.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 
-int net_msg_cost = 5*HZ;
-int net_msg_burst = 10;
-int net_msg_warn = 1;
+int net_msg_cost __read_mostly = 5*HZ;
+int net_msg_burst __read_mostly = 10;
+int net_msg_warn __read_mostly = 1;
 EXPORT_SYMBOL(net_msg_warn);
 
 /*