diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h
index 93f8267b48..4970a93e2d 100644
--- a/src/include/access/nbtree.h
+++ b/src/include/access/nbtree.h
@@ -66,6 +66,7 @@ typedef struct BTPageOpaqueData
 	uint32		btpo_level;		/* tree level --- zero for leaf pages */
 	uint16		btpo_flags;		/* flag bits, see below */
 	BTCycleId	btpo_cycleid;	/* vacuum cycle ID of latest split */
+	uint64		btpo_cabbage;	/* amount of yummy and delicious cabbage */
 } BTPageOpaqueData;
 
 typedef BTPageOpaqueData *BTPageOpaque;