Objects can no longer be migrated or evacuated into large object space

src/spaces.h

Index: src/spaces.h
diff --git a/src/spaces.h b/src/spaces.h
index dda55919c4e34e7efba7621747dc0dc39e789354..b5488687606bea05346792c6734372067dba1e67 100644
--- a/src/spaces.h
+++ b/src/spaces.h
@@ -781,7 +781,8 @@ class Page : public MemoryChunk {
   // Object area size in bytes.
   static const int kNonCodeObjectAreaSize = kPageSize - kObjectStartOffset;
 
-  // Maximum object size that fits in a page.
+  // Maximum object size that fits in a page. Objects larger than that size
+  // are allocated in large object space and are never moved in memory.

[Michael Starzinger, 2013/07/24 08:40:08]

nit: Can we also mention that this maximum also applies to new-space as nothing
gets evacuated from new-space into LO-space?

[Hannes Payer (out of office), 2013/07/24 08:49:52]

Done.

   static const int kMaxNonCodeHeapObjectSize = kNonCodeObjectAreaSize;
 
   // Page size mask.