--- a/hotspot/src/share/vm/gc_implementation/parNew/asParNewGeneration.hpp Fri Jul 18 08:25:58 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 2005, 2010, 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.
- *
- * 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.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_ASPARNEWGENERATION_HPP
-#define SHARE_VM_GC_IMPLEMENTATION_PARNEW_ASPARNEWGENERATION_HPP
-
-#include "gc_implementation/parNew/parNewGeneration.hpp"
-#include "gc_implementation/shared/adaptiveSizePolicy.hpp"
-
-// A Generation that does parallel young-gen collection extended
-// for adaptive size policy.
-
-// Division of generation into spaces
-// done by DefNewGeneration::compute_space_boundaries()
-// +---------------+
-// | uncommitted |
-// |---------------|
-// | ss0 |
-// |---------------|
-// | ss1 |
-// |---------------|
-// | |
-// | eden |
-// | |
-// +---------------+ <-- low end of VirtualSpace
-//
-class ASParNewGeneration: public ParNewGeneration {
-
- size_t _min_gen_size;
-
- // Resize the generation based on the desired sizes of
- // the constituent spaces.
- bool resize_generation(size_t eden_size, size_t survivor_size);
- // Resize the spaces based on their desired sizes but
- // respecting the maximum size of the generation.
- void resize_spaces(size_t eden_size, size_t survivor_size);
- // Return the byte size remaining to the minimum generation size.
- size_t available_to_min_gen();
- // Return the byte size remaining to the live data in the generation.
- size_t available_to_live() const;
- // Return the byte size that the generation is allowed to shrink.
- size_t limit_gen_shrink(size_t bytes);
- // Reset the size of the spaces after a shrink of the generation.
- void reset_survivors_after_shrink();
-
- // Accessor
- VirtualSpace* virtual_space() { return &_virtual_space; }
-
- virtual void adjust_desired_tenuring_threshold();
-
- public:
-
- ASParNewGeneration(ReservedSpace rs,
- size_t initial_byte_size,
- size_t min_byte_size,
- int level);
-
- virtual const char* short_name() const { return "ASParNew"; }
- virtual const char* name() const;
- virtual Generation::Name kind() { return ASParNew; }
-
- // Change the sizes of eden and the survivor spaces in
- // the generation. The parameters are desired sizes
- // and are not guaranteed to be met. For example, if
- // the total is larger than the generation.
- void resize(size_t eden_size, size_t survivor_size);
-
- virtual void compute_new_size();
-
- size_t max_gen_size() { return _reserved.byte_size(); }
- size_t min_gen_size() const { return _min_gen_size; }
-
- // Space boundary invariant checker
- void space_invariants() PRODUCT_RETURN;
-};
-
-#endif // SHARE_VM_GC_IMPLEMENTATION_PARNEW_ASPARNEWGENERATION_HPP