commit cb535da36915f9d10bec3880b46f1de1f7a69f22
author Mathieu Chartier <mathieuc@google.com> Fri Jan 23 13:50:03 2015 -0800
committer Mathieu Chartier <mathieuc@google.com> Sun Jan 25 13:18:11 2015 -0800
tree 5fc15c1fab170f0f27022ad19880c5ffb15baa01
parent 61e620d4771e09143471e38fe7531678a36ce3f8

Change AtomicStack to use StackReference

Previously used Object*, using StackReference saves memory on 64 bit
devices.

Bug: 12935052
Bug: 17643507
Change-Id: I035878690054eeeb24d655a900b8f26c837703ff

runtime/gc/collector/semi_space.h

diff --git a/runtime/gc/collector/semi_space.h b/runtime/gc/collector/semi_space.h
index f8fced8..192fb14 100644
--- a/runtime/gc/collector/semi_space.h
+++ b/runtime/gc/collector/semi_space.h
@@ -45,7 +45,7 @@
 
 namespace accounting {
   template <typename T> class AtomicStack;
-  typedef AtomicStack<mirror::Object*> ObjectStack;
+  typedef AtomicStack<mirror::Object> ObjectStack;
 }  // namespace accounting
 
 namespace space {
@@ -178,13 +178,13 @@
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   // Expand mark stack to 2x its current size.
-  void ResizeMarkStack(size_t new_size);
+  void ResizeMarkStack(size_t new_size) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   // Returns true if we should sweep the space.
   virtual bool ShouldSweepSpace(space::ContinuousSpace* space) const;
 
   // Push an object onto the mark stack.
-  void MarkStackPush(mirror::Object* obj);
+  void MarkStackPush(mirror::Object* obj) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   void UpdateAndMarkModUnion()
       EXCLUSIVE_LOCKS_REQUIRED(Locks::heap_bitmap_lock_)