reserved config numbers in ndb

ndb/include/mgmapi/mgmapi_config_parameters.h

@@ -85,6 +85,11 @@
 #define CFG_DB_BACKUP_DATADIR         158
 
 #define CFG_DB_MAX_OPEN_FILES         159
+#define CFG_DB_DISK_PAGE_BUFFER_MEMORY 160 /* used from 5.1 */
+#define CFG_DB_STRING_MEMORY          161 /* used from 5.1 */
+#define CFG_DB_INITIAL_OPEN_FILES     162 /* used from 5.1 */
+
+#define CFG_DB_DATA_MEM_2             199 /* used in special build in 5.1 */
 
 #define CFG_NODE_ARBIT_RANK           200
 #define CFG_NODE_ARBIT_DELAY          201