diff --git a/include/asm-um/tlb.h b/include/asm-um/tlb.h
index 39fc475df6c93ca135453f0ba6d44c8853f42d0c..5240fa1c5e0860debec1fcf56daf1e3db30970ec 100644
--- a/include/asm-um/tlb.h
+++ b/include/asm-um/tlb.h
@@ -1,6 +1,7 @@
 #ifndef __UM_TLB_H
 #define __UM_TLB_H
 
+#include <linux/pagemap.h>
 #include <linux/swap.h>
 #include <asm/percpu.h>
 #include <asm/pgalloc.h>