--- xnu/xnu-792.6.76/iokit/Kernel/IOMapper.cpp
+++ xnu/xnu-517/iokit/Kernel/IOMapper.cpp
@@ -1,21 +1,24 @@
 /*
- * Copyright (c) 1998-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -171,7 +174,7 @@
         vm_size_t iopl_size = size;
 
         kr = vm_map_get_upl(kernel_map,
-                            (vm_map_offset_t)startUpl,
+                            startUpl,
                             &iopl_size,
                             &iopl,
                             0,
@@ -212,10 +215,8 @@
     ARTTableData *dataP = getARTDataP(artHandle);
 
     int numupls = ((artHandle->getLength() - sizeof(*dataP)) / sizeof(upl_t));
-    for (int i = 0; i < numupls; i++) {
-        upl_abort(dataP->u[i], 0);
-        upl_deallocate(dataP->u[i]);
-    }
+    for (int i = 0; i < numupls; i++)
+        kernel_upl_abort(dataP->u[i], 0);
 
     if (dataP->v) {
         size = round_page_32(size);