Can't build nfs server as a module because of missing export of hash_mem
diff -Nru a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
--- a/net/sunrpc/sunrpc_syms.c Thu Jan 9 13:07:34 2003
+++ b/net/sunrpc/sunrpc_syms.c Thu Jan 9 13:07:34 2003
@@ -104,6 +104,7 @@
EXPORT_SYMBOL(qword_get);
EXPORT_SYMBOL(svcauth_unix_purge);
EXPORT_SYMBOL(unix_domain_find);
+EXPORT_SYMBOL(hash_mem);
/* Generic XDR */
EXPORT_SYMBOL(xdr_encode_array);