Adjust kPagesPerChunk to 16 instead of 64 on Android....

src/spaces.cc

 // 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 707 matching lines @@
   ASSERT(top_page->is_valid());
 
   // Loop over the pages from the top page to the end of the space to count
   // the number of pages to keep and find the last page to keep.
   int free_pages = 0;
   int pages_to_keep = 0;  // Of the free pages.
   Page* last_page_to_keep = top_page;
   Page* current_page = top_page->next_page();
   // Loop over the pages to the end of the space.
   while (current_page->is_valid()) {
+#if defined(ANDROID)
+    // Free all chunks if possible
+#else
     // Advance last_page_to_keep every other step to end up at the midpoint.
     if ((free_pages & 0x1) == 1) {
       pages_to_keep++;
       last_page_to_keep = last_page_to_keep->next_page();
     }
+#endif
     free_pages++;
     current_page = current_page->next_page();
   }
 
   // Free pages after last_page_to_keep, and adjust the next_page link.
   Page* p = MemoryAllocator::FreePages(last_page_to_keep->next_page());
   MemoryAllocator::SetNextPage(last_page_to_keep, p);
 
   // Since pages are only freed in whole chunks, we may have kept more
   // than pages_to_keep.  Count the extra pages and cache the new last
@@ skipping 1848 matching lines @@
                      reinterpret_cast<Object**>(object->address()
                                                 + Page::kObjectAreaSize),
                      allocation_top);
       PrintF("\n");
     }
   }
 }
 #endif  // DEBUG
 
 } }  // namespace v8::internal