src/share/vm/gc_implementation/g1/heapRegion.cpp

rev 7107 : imported patch 8058298

@@ -215,11 +215,10 @@
     if (locked) {
       hrrs->clear_locked();
     } else {
       hrrs->clear();
     }
-    _claimed = InitialClaimValue;
   }
   zero_marked_bytes();
 
   _offsets.resize(HeapRegion::GrainWords);
   init_top_at_mark_start();

@@ -292,31 +291,20 @@
 
   assert(capacity() == HeapRegion::GrainBytes, "pre-condition");
   _humongous_start_region = NULL;
 }
 
-bool HeapRegion::claimHeapRegion(jint claimValue) {
-  jint current = _claimed;
-  if (current != claimValue) {
-    jint res = Atomic::cmpxchg(claimValue, &_claimed, current);
-    if (res == current) {
-      return true;
-    }
-  }
-  return false;
-}
-
 HeapRegion::HeapRegion(uint hrm_index,
                        G1BlockOffsetSharedArray* sharedOffsetArray,
                        MemRegion mr) :
     G1OffsetTableContigSpace(sharedOffsetArray, mr),
     _hrm_index(hrm_index),
     _allocation_context(AllocationContext::system()),
     _humongous_start_region(NULL),
     _in_collection_set(false),
     _next_in_special_set(NULL),
-    _claimed(InitialClaimValue), _evacuation_failed(false),
+    _evacuation_failed(false),
     _prev_marked_bytes(0), _next_marked_bytes(0), _gc_efficiency(0.0),
     _next_young_region(NULL),
     _next_dirty_cards_region(NULL), _next(NULL), _prev(NULL),
 #ifdef ASSERT
     _containing_set(NULL),