+#ifdef CONFIG_HIGHMEM
+ /*
+ * If we have movable node, node_states[N_HIGH_MEMORY]
+ * contains nodes which have zones of 0...ZONE_HIGHMEM,
+ * set zone_last to ZONE_HIGHMEM.
+ *
+ * If we don't have movable node, node_states[N_NORMAL_MEMORY]
+ * contains nodes which have zones of 0...ZONE_MOVABLE,
+ * set zone_last to ZONE_MOVABLE.
+ */
+ zone_last = ZONE_HIGHMEM;
+ if (N_MEMORY == N_HIGH_MEMORY)
+ zone_last = ZONE_MOVABLE;
+
+ for (; zt <= zone_last; zt++)
+ present_pages += pgdat->node_zones[zt].present_pages;
+ if (zone_idx(zone) <= zone_last && nr_pages >= present_pages)
+ arg->status_change_nid_high = zone_to_nid(zone);
+ else
+ arg->status_change_nid_high = -1;
+#else
+ arg->status_change_nid_high = arg->status_change_nid_normal;
+#endif
+