diff --git a/mm/vmstat.c b/mm/vmstat.c
index 25a1f39..42098b4 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -982,6 +982,7 @@
 	/* enum vm_event_item counters */
 	"pgpgin",
 	"pgpgout",
+	"pgpgoutclean",
 	"pswpin",
 	"pswpout",