/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "memory/permGen.hpp"
class CardTableRS; // fwd decl
// A PermGen implemented with a CMS space, collected by a CMS collector.
friend class VMStructs;
protected:
// The "generation" view.
// Override default implementation from PermGen
public:
void compute_new_size();
};
// This is the "generation" view of a CMSPermGen.
// Abstractly, this is a subtype that gets access to protected fields.
friend class CMSPermGen;
public:
// See comments in the constructor for CompactibleFreeListSpace
// regarding not using adaptive free lists for a perm gen.
{}
void initialize_performance_counters();
const char* name() const {
return "concurrent-mark-sweep perm gen";
}
const char* short_name() const {
return "CMS Perm";
}
bool must_be_youngest() const { return false; }
bool must_be_oldest() const { return false; }
};
#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSPERMGEN_HPP