Re: [PATCH 2/9] mm: workingset: tell cache transitions from workingset thrashing

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index e34a27727b9a..7af1c3c15d8e 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h

@@ -69,13 +69,14 @@
  */
 enum pageflags {
 	PG_locked,		/* Page is locked. Don't touch. */
-	PG_error,
 	PG_referenced,
 	PG_uptodate,
 	PG_dirty,
 	PG_lru,
 	PG_active,
+	PG_workingset,
 	PG_waiters,		/* Page has waiters, check its waitqueue. Must be bit #7 and in the same byte as "PG_locked" */
+	PG_error,
 	PG_slab,
 	PG_owner_priv_1,	/* Owner use. If pagecache, fs may use*/
 	PG_arch_1,

@@ -280,6 +281,8 @@ PAGEFLAG(Dirty, dirty, PF_HEAD) TESTSCFLAG(Dirty, dirty, PF_HEAD)