diff --git a/mm/readahead.c b/mm/readahead.c
index 0f539e8..93d9ee6 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -575,10 +575,6 @@
  */
 unsigned long max_sane_readahead(unsigned long nr)
 {
-	unsigned long active;
-	unsigned long inactive;
-	unsigned long free;
-
-	__get_zone_counts(&active, &inactive, &free, NODE_DATA(numa_node_id()));
-	return min(nr, (inactive + free) / 2);
+	return min(nr, (node_page_state(numa_node_id(), NR_INACTIVE)
+		+ node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
 }