diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index a863af26c79c0190f378c36ac4e680add06f700a..40f17c34b4153fab93b4f1a2685dee0b8cac4da8 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -17,6 +17,7 @@
 #include <linux/khugepaged.h>
 #include <linux/freezer.h>
 #include <linux/mman.h>
+#include <linux/pagemap.h>
 #include <asm/tlb.h>
 #include <asm/pgalloc.h>
 #include "internal.h"