diff -r 76bec73a91f0 -r 4d58a35f3cfa src/hotspot/share/gc/cms/adaptiveFreeList.cpp
--- a/src/hotspot/share/gc/cms/adaptiveFreeList.cpp	Tue Nov 12 10:25:55 2019 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,151 +0,0 @@
-/*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "gc/cms/adaptiveFreeList.hpp"
-#include "gc/cms/freeChunk.hpp"
-#include "gc/shared/collectedHeap.hpp"
-#include "memory/freeList.inline.hpp"
-#include "runtime/globals.hpp"
-#include "runtime/mutex.hpp"
-#include "runtime/orderAccess.hpp"
-#include "runtime/vmThread.hpp"
-
-template <>
-void AdaptiveFreeList<FreeChunk>::print_on(outputStream* st, const char* c) const {
-  if (c != NULL) {
-    st->print("%16s", c);
-  } else {
-    st->print(SIZE_FORMAT_W(16), size());
-  }
-  st->print("\t"
-           SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t"
-           SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\t" SSIZE_FORMAT_W(14) "\n",
-           bfr_surp(),             surplus(),             desired(),             prev_sweep(),           before_sweep(),
-           count(),               coal_births(),          coal_deaths(),          split_births(),         split_deaths());
-}
-
-template <class Chunk>
-AdaptiveFreeList<Chunk>::AdaptiveFreeList() : FreeList<Chunk>(), _hint(0) {
-  init_statistics();
-}
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::initialize() {
-  FreeList<Chunk>::initialize();
-  set_hint(0);
-  init_statistics(true /* split_birth */);
-}
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::reset(size_t hint) {
-  FreeList<Chunk>::reset();
-  set_hint(hint);
-}
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::init_statistics(bool split_birth) {
-  _allocation_stats.initialize(split_birth);
-}
-
-template <class Chunk>
-size_t AdaptiveFreeList<Chunk>::get_better_size() {
-
-  // A candidate chunk has been found.  If it is already under
-  // populated and there is a hinT, REturn the hint().  Else
-  // return the size of this chunk.
-  if (surplus() <= 0) {
-    if (hint() != 0) {
-      return hint();
-    } else {
-      return size();
-    }
-  } else {
-    // This list has a surplus so use it.
-    return size();
-  }
-}
-
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::return_chunk_at_head(Chunk* chunk) {
-  assert_proper_lock_protection();
-  return_chunk_at_head(chunk, true);
-}
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::return_chunk_at_head(Chunk* chunk, bool record_return) {
-  FreeList<Chunk>::return_chunk_at_head(chunk, record_return);
-#ifdef ASSERT
-  if (record_return) {
-    increment_returned_bytes_by(size()*HeapWordSize);
-  }
-#endif
-}
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::return_chunk_at_tail(Chunk* chunk) {
-  AdaptiveFreeList<Chunk>::return_chunk_at_tail(chunk, true);
-}
-
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::return_chunk_at_tail(Chunk* chunk, bool record_return) {
-  FreeList<Chunk>::return_chunk_at_tail(chunk, record_return);
-#ifdef ASSERT
-  if (record_return) {
-    increment_returned_bytes_by(size()*HeapWordSize);
-  }
-#endif
-}
-
-#ifndef PRODUCT
-template <class Chunk>
-void AdaptiveFreeList<Chunk>::verify_stats() const {
-  // The +1 of the LH comparand is to allow some "looseness" in
-  // checking: we usually call this interface when adding a block
-  // and we'll subsequently update the stats; we cannot update the
-  // stats beforehand because in the case of the large-block BT
-  // dictionary for example, this might be the first block and
-  // in that case there would be no place that we could record
-  // the stats (which are kept in the block itself).
-  assert((_allocation_stats.prev_sweep() + _allocation_stats.split_births()
-          + _allocation_stats.coal_births() + 1)   // Total Production Stock + 1
-         >= (_allocation_stats.split_deaths() + _allocation_stats.coal_deaths()
-             + (ssize_t)count()),                // Total Current Stock + depletion
-         "FreeList " PTR_FORMAT " of size " SIZE_FORMAT
-         " violates Conservation Principle: "
-         "prev_sweep(" SIZE_FORMAT ")"
-         " + split_births(" SIZE_FORMAT ")"
-         " + coal_births(" SIZE_FORMAT ") + 1 >= "
-         " split_deaths(" SIZE_FORMAT ")"
-         " coal_deaths(" SIZE_FORMAT ")"
-         " + count(" SSIZE_FORMAT ")",
-         p2i(this), size(), _allocation_stats.prev_sweep(), _allocation_stats.split_births(),
-         _allocation_stats.coal_births(), _allocation_stats.split_deaths(),
-         _allocation_stats.coal_deaths(), count());
-}
-#endif
-
-// Needs to be after the definitions have been seen.
-template class AdaptiveFreeList<FreeChunk>;