+ rc = prom_update_property(np, newprop, oldprop);
+ if (rc)
+ return rc;
+
+ /* For memory under the ibm,dynamic-reconfiguration-memory node
+ * of the device tree, adding and removing memory is just an update
+ * to the ibm,dynamic-memory property instead of adding/removing a
+ * memory node in the device tree. For these cases we still need to
+ * involve the notifier chain.
+ */
+ if (!strcmp(name, "ibm,dynamic-memory")) {
+ int action;
+
+ next_prop = parse_next_property(next_prop, end, &name,
+ &length, &value);
+ if (!next_prop)
+ return -EINVAL;
+
+ if (!strcmp(name, "add"))
+ action = PSERIES_DRCONF_MEM_ADD;
+ else
+ action = PSERIES_DRCONF_MEM_REMOVE;
+
+ blocking_notifier_call_chain(&pSeries_reconfig_chain,
+ action, value);
+ }
+
+ return 0;