GC branch: Some changes to make V8 work with different page sizes.

src/spaces.h

 // Copyright 2011 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 1406 matching lines @@
   // for pages in spaces with only fixed-size objects.  Always zero
   // for pages in spaces with variable sized objects (those pages are
   // padded with free-list nodes).
   int page_extra_;
 
   bool was_swept_conservatively_;
 
   Page* first_unswept_page_;
   Page* last_unswept_page_;
 
-  // Sets allocation pointer.  If the allocation pointer already pointed to a
-  // non-zero-length area then that area may be returned to the free list.
-  void SetAllocationInfo(Address start, Address end);
-
   // Expands the space by allocating a fixed number of pages. Returns false if
   // it cannot allocate requested number of pages from OS.
   bool Expand();
 
   // Generic fast case allocation function that tries linear allocation at the
   // address denoted by top in allocation_info_.
   inline HeapObject* AllocateLinearly(AllocationInfo* alloc_info,
                                       int size_in_bytes);
 
   // Slow path of AllocateRaw.  This function is space-dependent.
@@ skipping 1023 matching lines @@
   }
   // Must be small, since an iteration is used for lookup.
   static const int kMaxComments = 64;
 };
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_