- Fix x64 build....

src/spaces.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 623 matching lines @@
 
   // Initializes pages in a chunk. Returns the first page address.
   // This function and GetChunkId() are provided for the mark-compact
   // collector to rebuild page headers in the from space, which is
   // used as a marking stack and its page headers are destroyed.
   static Page* InitializePagesInChunk(int chunk_id, int pages_in_chunk,
                                       PagedSpace* owner);
 
   static Page* RelinkPagesInChunk(int chunk_id,
                                   Address chunk_start,
-                                  int chunk_size,
+                                  size_t chunk_size,
                                   Page* prev,
                                   Page** last_page_in_use);
 };
 
 
 // -----------------------------------------------------------------------------
 // Interface for heap object iterator to be implemented by all object space
 // object iterators.
 //
 // NOTE: The space specific object iterators also implements the own next()
@@ skipping 1502 matching lines @@
 
  private:
   LargeObjectChunk* current_;
   HeapObjectCallback size_func_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_