src/hotspot/share/gc/z/zLiveMap.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -33,17 +33,17 @@
   friend class ZLiveMapTest;
 
 private:
   static const size_t nsegments = 64;
 
-  volatile uint32_t _seqnum;              // Mark sequence number
-  volatile uint32_t _live_objects;        // Number of live objects
-  volatile size_t   _live_bytes;          // Number of live bytes
-  BitMap::bm_word_t _segment_live_bits;   // Segment live bits
-  BitMap::bm_word_t _segment_claim_bits;  // Segment claim bits
-  ZBitMap           _bitmap;              // Mark bitmap
-  const size_t      _shift;               // Segment shift
+  volatile uint32_t _seqnum;
+  volatile uint32_t _live_objects;
+  volatile size_t   _live_bytes;
+  BitMap::bm_word_t _segment_live_bits;
+  BitMap::bm_word_t _segment_claim_bits;
+  ZBitMap           _bitmap;
+  size_t            _segment_shift;
 
   const BitMapView segment_live_bits() const;
   const BitMapView segment_claim_bits() const;
 
   BitMapView segment_live_bits();

@@ -70,10 +70,11 @@
 
 public:
   ZLiveMap(uint32_t size);
 
   void reset();
+  void resize(uint32_t size);
 
   bool is_marked() const;
 
   uint32_t live_objects() const;
   size_t live_bytes() const;