--- linux-2.6.18-128.1.6.orig/include/linux/page-flags.h 2009-04-14 21:05:24.000000000 -0600
+++ linux-2.6.18-128.1.6/include/linux/page-flags.h 2009-06-02 23:24:55.000000000 -0600
@@ -86,6 +86,7 @@
- #define PG_reclaim 17 /* To be reclaimed asap */
#define PG_nosave_free 18 /* Free, should not be written */
#define PG_buddy 19 /* Page is free, on buddy lists */
#define PG_gup 20 /* Page pin may be because of gup */