view src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp @ 1027:39b01ab7035a

6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning 6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks) Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers(). Reviewed-by: jcoomes, kvn, never
author ysr
date Fri, 16 Oct 2009 02:05:46 -0700
parents a61af66fc99e
children c18cbe5936b8
line wrap: on
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/*
 * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

inline size_t ParallelScavengeHeap::total_invocations()
{
  return UseParallelOldGC ? PSParallelCompact::total_invocations() :
    PSMarkSweep::total_invocations();
}

inline void ParallelScavengeHeap::invoke_scavenge()
{
  PSScavenge::invoke();
}

inline void ParallelScavengeHeap::invoke_full_gc(bool maximum_compaction)
{
  if (UseParallelOldGC) {
    PSParallelCompact::invoke(maximum_compaction);
  } else {
    PSMarkSweep::invoke(maximum_compaction);
  }
}

inline bool ParallelScavengeHeap::is_in_young(oop p) {
  return young_gen()->is_in_reserved(p);
}

inline bool ParallelScavengeHeap::is_in_old_or_perm(oop p) {
  return old_gen()->is_in_reserved(p) || perm_gen()->is_in_reserved(p);
}