diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ccc3713..dc523a1 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -49,7 +49,6 @@
 EXPORT_SYMBOL(node_online_map);
 nodemask_t node_possible_map __read_mostly = NODE_MASK_ALL;
 EXPORT_SYMBOL(node_possible_map);
-struct pglist_data *pgdat_list __read_mostly;
 unsigned long totalram_pages __read_mostly;
 unsigned long totalhigh_pages __read_mostly;
 long nr_swap_pages;
@@ -2169,8 +2168,9 @@
 {
 	pg_data_t *pgdat;
 	loff_t node = *pos;
-
-	for (pgdat = pgdat_list; pgdat && node; pgdat = pgdat->pgdat_next)
+	for (pgdat = first_online_pgdat();
+	     pgdat && node;
+	     pgdat = next_online_pgdat(pgdat))
 		--node;
 
 	return pgdat;
@@ -2181,7 +2181,7 @@
 	pg_data_t *pgdat = (pg_data_t *)arg;
 
 	(*pos)++;
-	return pgdat->pgdat_next;
+	return next_online_pgdat(pgdat);
 }
 
 static void frag_stop(struct seq_file *m, void *arg)