diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index d6b74b91096b..c1de1158bac0 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -10,6 +10,7 @@
 #include <linux/rwsem.h>
 #include <linux/sysctl.h>
 #include <linux/err.h>
+#include <linux/android_kabi.h>
 
 #define UID_GID_MAP_MAX_BASE_EXTENTS 5
 #define UID_GID_MAP_MAX_EXTENTS 340
@@ -76,6 +77,9 @@ struct user_namespace {
 #endif
 	struct ucounts		*ucounts;
 	int ucount_max[UCOUNT_COUNTS];
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 } __randomize_layout;
 
 struct ucounts {