Work on heap and space initialization to support image loading

Change-Id: Icab25efa4dee17e4b6c6e97e38f63f5ab8a8a005
diff --git a/src/mark_sweep.cc b/src/mark_sweep.cc
index 06a1c92..8541f76 100644
--- a/src/mark_sweep.cc
+++ b/src/mark_sweep.cc
@@ -22,7 +22,7 @@
 size_t MarkSweep::finalizer_reference_zombie_offset_ = 0;  // TODO
 
 bool MarkSweep::Init() {
-  mark_stack_ = MarkStack::Create(Heap::GetMaximumSize());
+  mark_stack_ = MarkStack::Create();
   if (mark_stack_ == NULL) {
     return false;
   }