Merge r3481 to branches/1.3 to increase the number of maps...

src/spaces.cc

Index: src/spaces.cc
===================================================================
--- src/spaces.cc	(revision 3546)
+++ src/spaces.cc	(working copy)
@@ -398,7 +398,7 @@
   // start+size.  Page::kPageSize is a power of two so we can divide by
   // shifting.
   return (RoundDown(start + size, Page::kPageSize)
-          - RoundUp(start, Page::kPageSize)) >> Page::kPageSizeBits;
+          - RoundUp(start, Page::kPageSize)) >> kPageSizeBits;
 }
 
 
@@ -412,7 +412,7 @@
   if (size_ + static_cast<int>(chunk_size) > capacity_) {
     // Request as many pages as we can.
     chunk_size = capacity_ - size_;
-    requested_pages = chunk_size >> Page::kPageSizeBits;
+    requested_pages = chunk_size >> kPageSizeBits;
 
     if (requested_pages <= 0) return Page::FromAddress(NULL);
   }