hotspot/src/share/vm/gc/g1/g1Allocator.inline.hpp
author tschatzl
Wed, 25 Nov 2015 14:43:29 +0100
changeset 34300 6075c1e0e913
parent 33105 294e48b4f704
child 46285 5b673a9fa682
permissions -rw-r--r--
8136679: JFR event for adaptive IHOP Reviewed-by: tbenson, mgerdin, sangheki, ehelin

/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * 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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#ifndef SHARE_VM_GC_G1_G1ALLOCATOR_INLINE_HPP
#define SHARE_VM_GC_G1_G1ALLOCATOR_INLINE_HPP

#include "gc/g1/g1Allocator.hpp"
#include "gc/g1/g1AllocRegion.inline.hpp"
#include "gc/shared/plab.inline.hpp"

HeapWord* G1Allocator::attempt_allocation(size_t word_size, AllocationContext_t context) {
  return mutator_alloc_region(context)->attempt_allocation(word_size, false /* bot_updates */);
}

HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size, AllocationContext_t context) {
  HeapWord* result = mutator_alloc_region(context)->attempt_allocation_locked(word_size, false /* bot_updates */);
  assert(result != NULL || mutator_alloc_region(context)->get() == NULL,
         "Must not have a mutator alloc region if there is no memory, but is " PTR_FORMAT, p2i(mutator_alloc_region(context)->get()));
  return result;
}

HeapWord* G1Allocator::attempt_allocation_force(size_t word_size, AllocationContext_t context) {
  return mutator_alloc_region(context)->attempt_allocation_force(word_size, false /* bot_updates */);
}

inline HeapWord* G1PLABAllocator::plab_allocate(InCSetState dest,
                                                size_t word_sz,
                                                AllocationContext_t context) {
  G1PLAB* buffer = alloc_buffer(dest, context);
  if (_survivor_alignment_bytes == 0 || !dest.is_young()) {
    return buffer->allocate(word_sz);
  } else {
    return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes);
  }
}

#endif // SHARE_VM_GC_G1_G1ALLOCATOR_HPP