diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 457b4de..72869ea 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5973,6 +5973,9 @@
 #ifdef CONFIG_MEMORY_FAILURE
 	{1UL << PG_hwpoison,		"hwpoison"	},
 #endif
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	{1UL << PG_compound_lock,	"compound_lock"	},
+#endif
 	{-1UL,				NULL		},
 };