1 /*
   2  * Copyright (c) 2001, 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  *

  43 #include "gc/g1/g1ParScanThreadState.inline.hpp"
  44 #include "gc/g1/g1RegionToSpaceMapper.hpp"
  45 #include "gc/g1/g1RemSet.inline.hpp"
  46 #include "gc/g1/g1RootClosures.hpp"
  47 #include "gc/g1/g1RootProcessor.hpp"
  48 #include "gc/g1/g1StringDedup.hpp"
  49 #include "gc/g1/g1YCTypes.hpp"
  50 #include "gc/g1/heapRegion.inline.hpp"
  51 #include "gc/g1/heapRegionRemSet.hpp"
  52 #include "gc/g1/heapRegionSet.inline.hpp"
  53 #include "gc/g1/suspendibleThreadSet.hpp"
  54 #include "gc/g1/vm_operations_g1.hpp"
  55 #include "gc/shared/gcHeapSummary.hpp"
  56 #include "gc/shared/gcId.hpp"
  57 #include "gc/shared/gcLocker.inline.hpp"
  58 #include "gc/shared/gcTimer.hpp"
  59 #include "gc/shared/gcTrace.hpp"
  60 #include "gc/shared/gcTraceTime.inline.hpp"
  61 #include "gc/shared/generationSpec.hpp"
  62 #include "gc/shared/isGCActiveMark.hpp"
  63 #include "gc/shared/referenceProcessor.hpp"
  64 #include "gc/shared/taskqueue.inline.hpp"
  65 #include "logging/log.hpp"
  66 #include "memory/allocation.hpp"
  67 #include "memory/iterator.hpp"
  68 #include "oops/oop.inline.hpp"
  69 #include "runtime/atomic.inline.hpp"
  70 #include "runtime/init.hpp"
  71 #include "runtime/orderAccess.inline.hpp"
  72 #include "runtime/vmThread.hpp"
  73 #include "utilities/globalDefinitions.hpp"
  74 #include "utilities/stack.inline.hpp"
  75 
  76 size_t G1CollectedHeap::_humongous_object_threshold_in_words = 0;
  77 
  78 // INVARIANTS/NOTES
  79 //
  80 // All allocation activity covered by the G1CollectedHeap interface is
  81 // serialized by acquiring the HeapLock.  This happens in mem_allocate
  82 // and allocate_new_tlab, which are the "entry" points to the
  83 // allocation code from the rest of the JVM.  (Note that this does not

   1 /*
   2  * Copyright (c) 2001, 2016, 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  *

  43 #include "gc/g1/g1ParScanThreadState.inline.hpp"
  44 #include "gc/g1/g1RegionToSpaceMapper.hpp"
  45 #include "gc/g1/g1RemSet.inline.hpp"
  46 #include "gc/g1/g1RootClosures.hpp"
  47 #include "gc/g1/g1RootProcessor.hpp"
  48 #include "gc/g1/g1StringDedup.hpp"
  49 #include "gc/g1/g1YCTypes.hpp"
  50 #include "gc/g1/heapRegion.inline.hpp"
  51 #include "gc/g1/heapRegionRemSet.hpp"
  52 #include "gc/g1/heapRegionSet.inline.hpp"
  53 #include "gc/g1/suspendibleThreadSet.hpp"
  54 #include "gc/g1/vm_operations_g1.hpp"
  55 #include "gc/shared/gcHeapSummary.hpp"
  56 #include "gc/shared/gcId.hpp"
  57 #include "gc/shared/gcLocker.inline.hpp"
  58 #include "gc/shared/gcTimer.hpp"
  59 #include "gc/shared/gcTrace.hpp"
  60 #include "gc/shared/gcTraceTime.inline.hpp"
  61 #include "gc/shared/generationSpec.hpp"
  62 #include "gc/shared/isGCActiveMark.hpp"
  63 #include "gc/shared/referenceProcessor.inline.hpp"
  64 #include "gc/shared/taskqueue.inline.hpp"
  65 #include "logging/log.hpp"
  66 #include "memory/allocation.hpp"
  67 #include "memory/iterator.hpp"
  68 #include "oops/oop.inline.hpp"
  69 #include "runtime/atomic.inline.hpp"
  70 #include "runtime/init.hpp"
  71 #include "runtime/orderAccess.inline.hpp"
  72 #include "runtime/vmThread.hpp"
  73 #include "utilities/globalDefinitions.hpp"
  74 #include "utilities/stack.inline.hpp"
  75 
  76 size_t G1CollectedHeap::_humongous_object_threshold_in_words = 0;
  77 
  78 // INVARIANTS/NOTES
  79 //
  80 // All allocation activity covered by the G1CollectedHeap interface is
  81 // serialized by acquiring the HeapLock.  This happens in mem_allocate
  82 // and allocate_new_tlab, which are the "entry" points to the
  83 // allocation code from the rest of the JVM.  (Note that this does not