--- 2.5.63-objrmap/mm/rmap.c	2003-02-27 15:58:34.000000000 -0600
+++ 2.5.63-objfix/mm/rmap.c	2003-02-27 15:56:56.000000000 -0600
@@ -248,6 +248,8 @@
 			BUG();
 		if (PageSwapCache(page))
 			BUG();
+		if (atomic_read(&page->pte.mapcount) == 0)
+			inc_page_state(nr_mapped);
 		atomic_inc(&page->pte.mapcount);
 		return pte_chain;
 	}