diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index b44b0aba..79e1798 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -160,9 +160,14 @@
 	 */
 	unsigned int hijacked:1;
 	/*
+	 * If any counter in this page is '1' or '2' - and so could be
+	 * cleared then that page is marked as 'pending'
+	 */
+	unsigned int pending:1;
+	/*
 	 * count of dirty bits on the page
 	 */
-	unsigned int  count:31;
+	unsigned int  count:30;
 };
 
 /* the main bitmap structure - one per mddev */