diff --git a/headers/private/kernel/util/syscall_args.h b/headers/private/kernel/util/syscall_args.h
new file mode 100644
index 0000000000..f988b8b172
--- /dev/null
+++ b/headers/private/kernel/util/syscall_args.h
@@ -0,0 +1,30 @@
+// syscall_args.h
+
+#ifndef _SYSCALL_ARGS_H
+#define _SYSCALL_ARGS_H
+
+#include <vm.h>
+
+// copy_ref_var_from_user
+template<typename T>
+inline
+status_t
+copy_ref_var_from_user(T *user, T &kernel)
+{
+	if (CHECK_USER_ADDRESS(user))
+		return B_BAD_ADDRESS;
+	return user_memcpy(&kernel, user, sizeof(T));
+}
+
+// copy_ref_var_to_user
+template<typename T>
+inline
+status_t
+copy_ref_var_to_user(T &kernel, T *user)
+{
+	if (CHECK_USER_ADDRESS(user))
+		return B_BAD_ADDRESS;
+	return user_memcpy(user, &kernel, sizeof(T));
+}
+
+#endif	// _SYSCALL_ARGS_H