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src/share/vm/gc/g1/heapRegionManager.hpp

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rev 11972 : [mq]: 8157952-sangheon-review

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2016, 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.

@@ -32,10 +32,11 @@
 
 class HeapRegion;
 class HeapRegionClosure;
 class HeapRegionClaimer;
 class FreeRegionList;
+class WorkGang;
 
 class G1HeapRegionTable : public G1BiasedMappedArray<HeapRegion*> {
  protected:
   virtual HeapRegion* default_value() const { return NULL; }
 };

@@ -92,14 +93,14 @@
   uint _allocated_heapregions_length;
 
   HeapWord* heap_bottom() const { return _regions.bottom_address_mapped(); }
   HeapWord* heap_end() const {return _regions.end_address_mapped(); }
 
-  void make_regions_available(uint index, uint num_regions = 1);
+  void make_regions_available(uint index, uint num_regions = 1, WorkGang* pretouch_gang = NULL);
 
   // Pass down commit calls to the VirtualSpace.
-  void commit_regions(uint index, size_t num_regions = 1);
+  void commit_regions(uint index, size_t num_regions = 1, WorkGang* pretouch_gang = NULL);
   void uncommit_regions(uint index, size_t num_regions = 1);
 
   // Notify other data structures about change in the heap layout.
   void update_committed_space(HeapWord* old_end, HeapWord* new_end);
 

@@ -207,16 +208,16 @@
 
   // Expand the sequence to reflect that the heap has grown. Either create new
   // HeapRegions, or re-use existing ones. Returns the number of regions the
   // sequence was expanded by. If a HeapRegion allocation fails, the resulting
   // number of regions might be smaller than what's desired.
-  uint expand_by(uint num_regions);
+  uint expand_by(uint num_regions, WorkGang* pretouch_workers = NULL);
 
   // Makes sure that the regions from start to start+num_regions-1 are available
   // for allocation. Returns the number of regions that were committed to achieve
   // this.
-  uint expand_at(uint start, uint num_regions);
+  uint expand_at(uint start, uint num_regions, WorkGang* pretouch_workers = NULL);
 
   // Find a contiguous set of empty regions of length num. Returns the start index of
   // that set, or G1_NO_HRM_INDEX.
   uint find_contiguous_only_empty(size_t num) { return find_contiguous(num, true); }
   // Find a contiguous set of empty or unavailable regions of length num. Returns the
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