src/hotspot/share/gc/shared/ptrQueue.cpp

*** 180,190 ****
    // the allocation rate and the release rate are going to be fairly
    // similar, due to how the buffers are used.
    const size_t trigger_transfer = 10;
  
    // Add to pending list. Update count first so no underflow in transfer.
!   size_t pending_count = Atomic::add(1u, &_pending_count);
    _pending_list.push(*node);
    if (pending_count > trigger_transfer) {
      try_transfer_pending();
    }
  }
--- 180,190 ----
    // the allocation rate and the release rate are going to be fairly
    // similar, due to how the buffers are used.
    const size_t trigger_transfer = 10;
  
    // Add to pending list. Update count first so no underflow in transfer.
!   size_t pending_count = Atomic::add(&_pending_count, 1u);
    _pending_list.push(*node);
    if (pending_count > trigger_transfer) {
      try_transfer_pending();
    }
  }
*** 217,227 ****
      // Wait for any in-progress pops, to avoid ABA for them.
      GlobalCounter::write_synchronize();
  
      // Add synchronized nodes to _free_list.
      // Update count first so no underflow in allocate().
!     Atomic::add(count, &_free_count);
      _free_list.prepend(*first, *last);
      log_trace(gc, ptrqueue, freelist)
               ("Transferred %s pending to free: " SIZE_FORMAT, name(), count);
    }
    Atomic::release_store(&_transfer_lock, false);
--- 217,227 ----
      // Wait for any in-progress pops, to avoid ABA for them.
      GlobalCounter::write_synchronize();
  
      // Add synchronized nodes to _free_list.
      // Update count first so no underflow in allocate().
!     Atomic::add(&_free_count, count);
      _free_list.prepend(*first, *last);
      log_trace(gc, ptrqueue, freelist)
               ("Transferred %s pending to free: " SIZE_FORMAT, name(), count);
    }
    Atomic::release_store(&_transfer_lock, false);
*** 256,261 ****
  }
  
  void PtrQueueSet::deallocate_buffer(BufferNode* node) {
    _allocator->release(node);
  }
- 
--- 256,260 ----