hotspot/src/share/vm/memory/compactingPermGenGen.cpp
changeset 11751 c80672b25b67
parent 8921 14bfe81f2a9d
child 12379 2cf45b79ce3a
equal deleted inserted replaced
11731:94a9493c5f04 11751:c80672b25b67
     1 /*
     1 /*
     2  * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 2003, 2012, 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.
   238     NOT_PRODUCT(ZapUnusedHeapArea = old_ZapUnusedHeapArea;)
   238     NOT_PRODUCT(ZapUnusedHeapArea = old_ZapUnusedHeapArea;)
   239 
   239 
   240     if (_ro_space == NULL || _rw_space == NULL)
   240     if (_ro_space == NULL || _rw_space == NULL)
   241       vm_exit_during_initialization("Could not allocate a shared space");
   241       vm_exit_during_initialization("Could not allocate a shared space");
   242 
   242 
   243     // Cover both shared spaces entirely with cards.
       
   244     _rs->resize_covered_region(MemRegion(readonly_bottom, readwrite_end));
       
   245 
       
   246     if (UseSharedSpaces) {
   243     if (UseSharedSpaces) {
   247 
   244 
   248       // Map in the regions in the shared file.
   245       // Map in the regions in the shared file.
   249       FileMapInfo* mapinfo = FileMapInfo::current_info();
   246       FileMapInfo* mapinfo = FileMapInfo::current_info();
   250       size_t image_alignment = mapinfo->alignment();
   247       size_t image_alignment = mapinfo->alignment();
   277         delete _rw_bts;
   274         delete _rw_bts;
   278         _rw_bts = NULL;
   275         _rw_bts = NULL;
   279         delete _rw_space;
   276         delete _rw_space;
   280         _rw_space = NULL;
   277         _rw_space = NULL;
   281         shared_end = (HeapWord*)(rs.base() + rs.size());
   278         shared_end = (HeapWord*)(rs.base() + rs.size());
   282         _rs->resize_covered_region(MemRegion(shared_bottom, shared_bottom));
       
   283       }
   279       }
       
   280     }
       
   281 
       
   282     if (spec()->enable_shared_spaces()) {
       
   283       // Cover both shared spaces entirely with cards.
       
   284       _rs->resize_covered_region(MemRegion(readonly_bottom, readwrite_end));
   284     }
   285     }
   285 
   286 
   286     // Reserved region includes shared spaces for oop.is_in_reserved().
   287     // Reserved region includes shared spaces for oop.is_in_reserved().
   287     _reserved.set_end(shared_end);
   288     _reserved.set_end(shared_end);
   288 
   289