diff --git a/headers/private/kernel/vm_page.h b/headers/private/kernel/vm_page.h
index 3ea7d95140..7ee6909902 100755
--- a/headers/private/kernel/vm_page.h
+++ b/headers/private/kernel/vm_page.h
@@ -1,10 +1,10 @@
-/* 
-** Copyright 2002-2004, The Haiku Team. All rights reserved.
-** Distributed under the terms of the Haiku License.
-**
-** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
-** Distributed under the terms of the NewOS License.
-*/
+/*
+ * Copyright 2002-2004, Axel Dörfler, axeld@pinc-software.de.
+ * Distributed under the terms of the MIT License.
+ *
+ * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
+ * Distributed under the terms of the NewOS License.
+ */
 #ifndef _KERNEL_VM_PAGE_H
 #define _KERNEL_VM_PAGE_H
 
@@ -31,6 +31,8 @@ status_t vm_page_set_state(vm_page *page, int state);
 addr_t vm_page_num_pages(void);
 addr_t vm_page_num_free_pages(void);
 
+status_t vm_page_write_modified(vm_cache *cache);
+
 vm_page *vm_page_allocate_page(int state);
 vm_page *vm_page_allocate_page_run(int state, addr_t length);
 vm_page *vm_page_allocate_specific_page(addr_t page_num, int state);