src/hotspot/share/gc/parallel/psYoungGen.cpp
changeset 49164 7e958a8ebcd3
parent 47216 71c04702a3d5
child 49964 99e698e94cc7
equal deleted inserted replaced
49163:580bb0b85f63 49164:7e958a8ebcd3
     1 /*
     1 /*
     2  * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     7  * published by the Free Software Foundation.
    62   _reserved = MemRegion((HeapWord*)virtual_space()->low_boundary(),
    62   _reserved = MemRegion((HeapWord*)virtual_space()->low_boundary(),
    63                         (HeapWord*)virtual_space()->high_boundary());
    63                         (HeapWord*)virtual_space()->high_boundary());
    64 
    64 
    65   MemRegion cmr((HeapWord*)virtual_space()->low(),
    65   MemRegion cmr((HeapWord*)virtual_space()->low(),
    66                 (HeapWord*)virtual_space()->high());
    66                 (HeapWord*)virtual_space()->high());
    67   ParallelScavengeHeap::heap()->barrier_set()->resize_covered_region(cmr);
    67   ParallelScavengeHeap::heap()->card_table()->resize_covered_region(cmr);
    68 
    68 
    69   if (ZapUnusedHeapArea) {
    69   if (ZapUnusedHeapArea) {
    70     // Mangle newly committed space immediately because it
    70     // Mangle newly committed space immediately because it
    71     // can be done here more simply that after the new
    71     // can be done here more simply that after the new
    72     // spaces have been computed.
    72     // spaces have been computed.
   868          (eden_space()->bottom() < from_space()->bottom()),
   868          (eden_space()->bottom() < from_space()->bottom()),
   869          "Eden is assumed to be below the survivor spaces");
   869          "Eden is assumed to be below the survivor spaces");
   870 
   870 
   871   MemRegion cmr((HeapWord*)virtual_space()->low(),
   871   MemRegion cmr((HeapWord*)virtual_space()->low(),
   872                 (HeapWord*)virtual_space()->high());
   872                 (HeapWord*)virtual_space()->high());
   873   ParallelScavengeHeap::heap()->barrier_set()->resize_covered_region(cmr);
   873   ParallelScavengeHeap::heap()->card_table()->resize_covered_region(cmr);
   874   space_invariants();
   874   space_invariants();
   875 }
   875 }
   876 
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   878