diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 6422422b8e3d..4bc3a57c183d 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -140,7 +140,8 @@ __be32 ic_servaddr = NONE;	/* Boot server IP address */
 __be32 root_server_addr = NONE;	/* Address of NFS server */
 u8 root_server_path[256] = { 0, };	/* Path to mount as root */
 
-static char vendor_class_identifier[253]; /* vendor class identifier */
+/* vendor class identifier */
+static char vendor_class_identifier[253] __initdata;
 
 /* Persistent data: */