diff -dur -x '*~' linux-2.6.16.orig/mm/page_alloc.c linux-2.6.16/mm/page_alloc.c
--- linux-2.6.16.orig/mm/page_alloc.c	2006-06-27 08:35:58.000000000 +0200
+++ linux-2.6.16/mm/page_alloc.c	2006-06-27 08:41:01.000000000 +0200
@@ -1782,8 +1782,10 @@
 		set_page_count(page, 1);
 		reset_page_mapcount(page);
 		SetPageReserved(page);
+#ifndef CONFIG_XEN
 		if (!(page_is_ram(pfn)))
 			SetPageNosave(page);
+#endif
 		INIT_LIST_HEAD(&page->lru);
 #ifdef WANT_PAGE_VIRTUAL
 		/* The shift won't overflow because ZONE_NORMAL is below 4G. */