Index: linux-2.6.16-rc6/mm/swap_state.c
===================================================================
--- linux-2.6.16-rc6.orig/mm/swap_state.c	2006-03-11 14:12:55.000000000 -0800
+++ linux-2.6.16-rc6/mm/swap_state.c	2006-03-15 17:53:19.000000000 -0800
@@ -15,6 +15,7 @@
 #include <linux/buffer_head.h>
 #include <linux/backing-dev.h>
 #include <linux/pagevec.h>
+#include <linux/migrate.h>
 
 #include <asm/pgtable.h>