diff --git a/tools/testing/selftests/mm/pkey-powerpc.h b/tools/testing/selftests/mm/pkey-powerpc.h
index 1bad310d282a..d8ec906b8120 100644
--- a/tools/testing/selftests/mm/pkey-powerpc.h
+++ b/tools/testing/selftests/mm/pkey-powerpc.h
@@ -3,6 +3,8 @@
 #ifndef _PKEYS_POWERPC_H
 #define _PKEYS_POWERPC_H
 
+#include <sys/stat.h>
+
 #ifndef SYS_pkey_alloc
 # define SYS_pkey_alloc		384
 # define SYS_pkey_free		385
diff --git a/tools/testing/selftests/mm/pkey_util.c b/tools/testing/selftests/mm/pkey_util.c
index ca4ad0d44ab2..255b332f7a08 100644
--- a/tools/testing/selftests/mm/pkey_util.c
+++ b/tools/testing/selftests/mm/pkey_util.c
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
+#define __SANE_USERSPACE_TYPES__
 #include <sys/syscall.h>
 #include <unistd.h>