Index: linux-2.6.16-rc2/include/linux/swap.h
===================================================================
--- linux-2.6.16-rc2.orig/include/linux/swap.h	2006-02-02 22:03:08.000000000 -0800
+++ linux-2.6.16-rc2/include/linux/swap.h	2006-02-04 20:10:30.000000000 -0800
@@ -71,7 +71,8 @@ typedef struct {
  * memory reclaim
  */
 struct reclaim_state {
-	unsigned long reclaimed_slab;
+	unsigned long reclaimed_slab;	/* Number of pages reclaimed from slab */
+	unsigned long pages_left;	/* Max pages left to scan */
 };
 
 #ifdef __KERNEL__