--- zzzz-none-000/linux-2.6.32.61/fs/nfs/nfs3xdr.c	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/fs/nfs/nfs3xdr.c	2011-10-21 12:21:44.000000000 +0000
@@ -507,7 +507,7 @@
 	size_t hdrlen;
 	u32 len, recvd, pglen;
 	int status, nr = 0;
-	__be32 *entry, *end, *kaddr;
+	__be32 *entry, *end, *kaddr __maybe_unused__;
 
 	status = ntohl(*p++);
 	/* Decode post_op_attrs */