diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index 80943a00e245..b651d020e0e5 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -23,6 +23,7 @@
 #include <asm/pdc.h>
 #include <asm/pdcpat.h>
 #include <asm/sections.h>
+#include <asm/pgtable.h>
 
 enum pdt_access_type {
 	PDT_NONE,