Bookkeeping for allocation site pretenuring

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 752a1ed73760d0bc92ac0f8586eb05cad6471a47..63955d1f0a1971eea4c507e332720b38b4d62003 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -1456,6 +1456,13 @@ class Heap {
   static inline void ScavengePointer(HeapObject** p);
   static inline void ScavengeObject(HeapObject** p, HeapObject* object);
 
+  // If there is an AllocationMemento after the object, we may need to perform
+  // some extra work.

[Hannes Payer (out of office), 2013/11/21 20:52:24]

Ambiguous comment, can we be more precise here.

[mvstanton, 2013/11/22 11:18:51]

Thx, I renamed the method to UpdateAllocationSiteFeedback to clarify meaning.
I'll keep the comment there because it's the style of heap.h, but modify it a
bit.

+  static inline void AddressMemento(HeapObject* object);
+
+  // Commits from space if it is uncommitted.
+  void EnsureFromSpaceIsCommitted();

[Hannes Payer (out of office), 2013/11/21 20:52:24]

I did not find the reason why this method has to be public.

[mvstanton, 2013/11/22 11:18:51]

Me neither! fixed.

+
   // Support for partial snapshots.  After calling this we have a linear
   // space to write objects in each space.
   void ReserveSpace(int *sizes, Address* addresses);
@@ -2151,9 +2158,6 @@ class Heap {
   // Performs a minor collection in new generation.
   void Scavenge();
 
-  // Commits from space if it is uncommitted.
-  void EnsureFromSpaceIsCommitted();
-
   // Uncommit unused semi space.
   bool UncommitFromSpace() { return new_space_.UncommitFromSpace(); }