diff -r 5d2156bcb78b -r 33143ee07800 src/share/vm/runtime/thread.cpp
--- a/src/share/vm/runtime/thread.cpp	Tue Sep 04 16:20:28 2012 -0700
+++ b/src/share/vm/runtime/thread.cpp	Tue Sep 11 20:53:17 2012 -0400
@@ -318,10 +318,9 @@
   set_stack_size(os::current_stack_size());
 
   // record thread's native stack, stack grows downward
-  address vm_base = _stack_base - _stack_size;
-  MemTracker::record_virtual_memory_reserve(vm_base, _stack_size,
-    CURRENT_PC, this);
-  MemTracker::record_virtual_memory_type(vm_base, mtThreadStack);
+  address low_stack_addr = stack_base() - stack_size();
+  MemTracker::record_thread_stack(low_stack_addr, stack_size(), this,
+             CURRENT_PC);
 }
 
 
@@ -329,8 +328,8 @@
   // Reclaim the objectmonitors from the omFreeList of the moribund thread.
   ObjectSynchronizer::omFlush (this) ;
 
-  MemTracker::record_virtual_memory_release((_stack_base - _stack_size),
-    _stack_size, this);
+  address low_stack_addr = stack_base() - stack_size();
+  MemTracker::release_thread_stack(low_stack_addr, stack_size(), this);
 
   // deallocate data structures
   delete resource_area();