diff --git a/mm/vmstat.c b/mm/vmstat.c
index f800662..5e43004 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -848,6 +848,7 @@
 	"thp_collapse_alloc_failed",
 	"thp_split_page",
 	"thp_split_page_failed",
+	"thp_deferred_split_page",
 	"thp_split_pmd",
 	"thp_zero_page_alloc",
 	"thp_zero_page_alloc_failed",