diff --git a/include/linux/async.h b/include/linux/async.h
new file mode 100644
index 0000000..68a9530
--- /dev/null
+++ b/include/linux/async.h
@@ -0,0 +1,27 @@
+/*
+ * async.h: Asynchronous function calls for boot performance
+ *
+ * (C) Copyright 2009 Intel Corporation
+ * Author: Arjan van de Ven <arjan@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/types.h>
+#include <linux/list.h>
+
+typedef u64 async_cookie_t;
+typedef void (async_func_ptr) (void *data, async_cookie_t cookie);
+
+extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data);
+extern async_cookie_t async_schedule_domain(async_func_ptr *ptr, void *data,
+					    struct list_head *list);
+extern void async_synchronize_full(void);
+extern void async_synchronize_full_domain(struct list_head *list);
+extern void async_synchronize_cookie(async_cookie_t cookie);
+extern void async_synchronize_cookie_domain(async_cookie_t cookie,
+					    struct list_head *list);
+