--- zzzz-none-000/linux-2.6.28.10/include/linux/radix-tree.h	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/include/linux/radix-tree.h	2010-04-07 09:56:53.000000000 +0000
@@ -62,6 +62,10 @@
 	unsigned int		height;
 	gfp_t			gfp_mask;
 	struct radix_tree_node	*rnode;
+#ifdef CONFIG_FUSIV_USB_OPTIMIZATION
+        pgoff_t                 last_reclaim_index; /* to speed up reclaim */
+        unsigned int            count;
+#endif
 };
 
 #define RADIX_TREE_INIT(mask)	{					\