src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/cms/CompactibleFreeListSpace.java

*** 33,43 ****
  import sun.jvm.hotspot.oops.*;
  import sun.jvm.hotspot.runtime.*;
  import sun.jvm.hotspot.types.*;
  import sun.jvm.hotspot.utilities.*;
  
! public class CompactibleFreeListSpace extends CompactibleSpace {
     private static AddressField collectorField;
     private static AddressField indexedFreeListField;
     private static AddressField dictionaryField;
     private static long         smallLinearAllocBlockFieldOffset;
  
--- 33,43 ----
  import sun.jvm.hotspot.oops.*;
  import sun.jvm.hotspot.runtime.*;
  import sun.jvm.hotspot.types.*;
  import sun.jvm.hotspot.utilities.*;
  
! public class CompactibleFreeListSpace extends CompactibleSpace implements LiveRegionsProvider {
     private static AddressField collectorField;
     private static AddressField indexedFreeListField;
     private static AddressField dictionaryField;
     private static long         smallLinearAllocBlockFieldOffset;
  
*** 91,104 ****
     public long used() {
       return capacity() - free();
     }
  
     public long used0() {
!       List regions = getLiveRegions();
        long usedSize = 0L;
!       for (Iterator itr = regions.iterator(); itr.hasNext();) {
!          MemRegion mr = (MemRegion) itr.next();
           usedSize += mr.byteSize();
        }
        return usedSize;
     }
  
--- 91,104 ----
     public long used() {
       return capacity() - free();
     }
  
     public long used0() {
!       List<MemRegion> regions = getLiveRegions();
        long usedSize = 0L;
!       for (Iterator<MemRegion> itr = regions.iterator(); itr.hasNext();) {
!          MemRegion mr = itr.next();
           usedSize += mr.byteSize();
        }
        return usedSize;
     }
  
*** 152,163 ****
           }
         }
         return addr;
     }
  
!    public List/*<MemRegion>*/ getLiveRegions() {
!       List res = new ArrayList(); // List<MemRegion>
        VM vm = VM.getVM();
        Debugger dbg = vm.getDebugger();
        ObjectHeap heap = vm.getObjectHeap();
        Address cur = bottom();
        Address regionStart = cur;
--- 152,164 ----
           }
         }
         return addr;
     }
  
!   @Override
!    public List<MemRegion> getLiveRegions() {
!       List<MemRegion> res = new ArrayList<>();
        VM vm = VM.getVM();
        Debugger dbg = vm.getDebugger();
        ObjectHeap heap = vm.getObjectHeap();
        Address cur = bottom();
        Address regionStart = cur;