--- xnu/xnu-1228/iokit/Kernel/IOMultiMemoryDescriptor.cpp
+++ xnu/xnu-517/iokit/Kernel/IOMultiMemoryDescriptor.cpp
@@ -1,19 +1,16 @@
 /*
  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * 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. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- * 
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 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
@@ -23,7 +20,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
  */
 
 #include <IOKit/IOLib.h>
@@ -276,35 +273,9 @@
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
-addr64_t IOMultiMemoryDescriptor::getPhysicalSegment64( 
-				    IOByteCount   offset, IOByteCount * length )
-{
-    //
-    // This method returns the physical address of the byte at the given offset
-    // into the memory,  and optionally the length of the physically contiguous
-    // segment from that offset.
-    //
-
-    assert(offset <= _length);
-
-    for ( unsigned index = 0; index < _descriptorsCount; index++ ) 
-    {
-        if ( offset < _descriptors[index]->getLength() )
-        {
-            return _descriptors[index]->getPhysicalSegment64(offset, length);
-        }
-        offset -= _descriptors[index]->getLength();
-    }
-
-    if ( length )  *length = 0;
-
-    return 0;
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-IOPhysicalAddress IOMultiMemoryDescriptor::getPhysicalSegment( 
-				    IOByteCount   offset, IOByteCount * length )
+IOPhysicalAddress IOMultiMemoryDescriptor::getPhysicalSegment(
+                                                       IOByteCount   offset,
+                                                       IOByteCount * length )
 {
     //
     // This method returns the physical address of the byte at the given offset