src/share/vm/gc/g1/heapRegionSet.cpp

@@ -86,11 +86,11 @@
 }
 
 HeapRegionSetBase::HeapRegionSetBase(const char* name, bool humongous, bool free, HRSMtSafeChecker* mt_safety_checker)
   : _name(name), _verify_in_progress(false),
     _is_humongous(humongous), _is_free(free), _mt_safety_checker(mt_safety_checker),
-    _count()
+    _length()
 { }
 
 void FreeRegionList::set_unrealistically_long_length(uint len) {
   guarantee(_unrealistically_long_length == 0, "should only be set once");
   _unrealistically_long_length = len;

@@ -175,11 +175,11 @@
     if (_tail->hrm_index() < from_list->_tail->hrm_index()) {
       _tail = from_list->_tail;
     }
   }
 
-  _count.increment(from_list->length(), from_list->total_capacity_bytes());
+  _length += from_list->length();
   from_list->clear();
 
   verify_optional();
   from_list->verify_optional();
 }

@@ -253,11 +253,11 @@
 
   verify_end();
 }
 
 void FreeRegionList::clear() {
-  _count = HeapRegionSetCount();
+  _length = 0;
   _head = NULL;
   _tail = NULL;
   _last = NULL;
 }