1 /*
   2  * Copyright (c) 2006, 2014, 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_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
  27 
  28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
  29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
  30 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
  31 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
  32 
  33 inline size_t ParallelScavengeHeap::total_invocations()
  34 {
  35   return UseParallelOldGC ? PSParallelCompact::total_invocations() :
  36     PSMarkSweep::total_invocations();
  37 }
  38 
  39 inline bool ParallelScavengeHeap::should_alloc_in_eden(const size_t size) const
  40 {
  41   const size_t eden_size = young_gen()->eden_space()->capacity_in_words();
  42   return size < eden_size / 2;
  43 }
  44 
  45 inline void ParallelScavengeHeap::invoke_scavenge()
  46 {
  47   PSScavenge::invoke();
  48 }
  49 
  50 inline bool ParallelScavengeHeap::is_in_young(oop p) {
  51   // Assumes the the old gen address range is lower than that of the young gen.
  52   const void* loc = (void*) p;
  53   bool result = ((HeapWord*)p) >= young_gen()->reserved().start();
  54   assert(result == young_gen()->is_in_reserved(p),
  55         err_msg("incorrect test - result=%d, p=" PTR_FORMAT, result, p2i((void*)p)));
  56   return result;
  57 }
  58 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP