1 /*
   2  * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_PARALLEL_PARALLELSCAVENGEHEAP_INLINE_HPP
  26 #define SHARE_VM_GC_PARALLEL_PARALLELSCAVENGEHEAP_INLINE_HPP
  27 
  28 #include "gc/parallel/parallelScavengeHeap.hpp"
  29 #include "gc/parallel/psMarkSweep.hpp"
  30 #include "gc/parallel/psParallelCompact.inline.hpp"
  31 #include "gc/parallel/psScavenge.hpp"
  32 
  33 inline size_t ParallelScavengeHeap::total_invocations() {
  34   return UseParallelOldGC ? PSParallelCompact::total_invocations() :
  35     PSMarkSweep::total_invocations();
  36 }
  37 
  38 inline bool ParallelScavengeHeap::should_alloc_in_eden(const size_t size) const {
  39   const size_t eden_size = young_gen()->eden_space()->capacity_in_words();
  40   return size < eden_size / 2;
  41 }
  42 
  43 inline void ParallelScavengeHeap::invoke_scavenge() {
  44   PSScavenge::invoke();
  45 }
  46 
  47 inline bool ParallelScavengeHeap::is_in_young(oop p) {
  48   // Assumes the the old gen address range is lower than that of the young gen.
  49   bool result = ((HeapWord*)p) >= young_gen()->reserved().start();
  50   assert(result == young_gen()->is_in_reserved(p),
  51          "incorrect test - result=%d, p=" PTR_FORMAT, result, p2i((void*)p));
  52   return result;
  53 }
  54 #endif // SHARE_VM_GC_PARALLEL_PARALLELSCAVENGEHEAP_INLINE_HPP