diff --git a/kernel/conftest.sh b/kernel/conftest.sh
index 8f807a1..af29636 100755
--- a/kernel/conftest.sh
+++ b/kernel/conftest.sh
@@ -143,6 +143,7 @@ test_headers() {
     FILES="$FILES video/nv_internal.h"
     FILES="$FILES asm/book3s/64/hash-64k.h"
     FILES="$FILES asm/set_memory.h"
+    FILES="$FILES asm/pgtable.h"
     FILES="$FILES asm/prom.h"
     FILES="$FILES asm/powernv.h"
     FILES="$FILES asm/tlbflush.h"
@@ -466,6 +467,9 @@ compile_test() {
             # It does not exist on all architectures.
             #
             CODE="
+            #if defined(NV_ASM_PGTABLE_H_PRESENT)
+            #include <asm/pgtable.h>
+            #endif
             #if defined(NV_ASM_SET_MEMORY_H_PRESENT)
             #include <asm/set_memory.h>
             #else