--- a/src/hotspot/share/gc/shared/cardTableModRefBSForCTRS.cpp	Fri Mar 09 14:42:46 2018 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,126 +0,0 @@
-/*
- * Copyright (c) 2015, 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/shared/cardTableModRefBS.inline.hpp"
-#include "gc/shared/cardTableRS.hpp"
-#include "memory/allocation.inline.hpp"
-#include "gc/shared/space.inline.hpp"
-
-CardTableModRefBSForCTRS::CardTableModRefBSForCTRS(MemRegion whole_heap) :
-  CardTableModRefBS(
-    whole_heap,
-    BarrierSet::FakeRtti(BarrierSet::CardTableForRS)),
-  // LNC functionality
-  _lowest_non_clean(NULL),
-  _lowest_non_clean_chunk_size(NULL),
-  _lowest_non_clean_base_chunk_index(NULL),
-  _last_LNC_resizing_collection(NULL)
-{ }
-
-void CardTableModRefBSForCTRS::initialize() {
-  CardTableModRefBS::initialize();
-  _lowest_non_clean =
-    NEW_C_HEAP_ARRAY(CardArr, _max_covered_regions, mtGC);
-  _lowest_non_clean_chunk_size =
-    NEW_C_HEAP_ARRAY(size_t, _max_covered_regions, mtGC);
-  _lowest_non_clean_base_chunk_index =
-    NEW_C_HEAP_ARRAY(uintptr_t, _max_covered_regions, mtGC);
-  _last_LNC_resizing_collection =
-    NEW_C_HEAP_ARRAY(int, _max_covered_regions, mtGC);
-  if (_lowest_non_clean == NULL
-      || _lowest_non_clean_chunk_size == NULL
-      || _lowest_non_clean_base_chunk_index == NULL
-      || _last_LNC_resizing_collection == NULL)
-    vm_exit_during_initialization("couldn't allocate an LNC array.");
-  for (int i = 0; i < _max_covered_regions; i++) {
-    _lowest_non_clean[i] = NULL;
-    _lowest_non_clean_chunk_size[i] = 0;
-    _last_LNC_resizing_collection[i] = -1;
-  }
-}
-
-CardTableModRefBSForCTRS::~CardTableModRefBSForCTRS() {
-  if (_lowest_non_clean) {
-    FREE_C_HEAP_ARRAY(CardArr, _lowest_non_clean);
-    _lowest_non_clean = NULL;
-  }
-  if (_lowest_non_clean_chunk_size) {
-    FREE_C_HEAP_ARRAY(size_t, _lowest_non_clean_chunk_size);
-    _lowest_non_clean_chunk_size = NULL;
-  }
-  if (_lowest_non_clean_base_chunk_index) {
-    FREE_C_HEAP_ARRAY(uintptr_t, _lowest_non_clean_base_chunk_index);
-    _lowest_non_clean_base_chunk_index = NULL;
-  }
-  if (_last_LNC_resizing_collection) {
-    FREE_C_HEAP_ARRAY(int, _last_LNC_resizing_collection);
-    _last_LNC_resizing_collection = NULL;
-  }
-}
-
-bool CardTableModRefBSForCTRS::card_will_be_scanned(jbyte cv) {
-  return
-    card_is_dirty_wrt_gen_iter(cv) ||
-    _rs->is_prev_nonclean_card_val(cv);
-}
-
-bool CardTableModRefBSForCTRS::card_may_have_been_dirty(jbyte cv) {
-  return
-    cv != clean_card &&
-    (card_is_dirty_wrt_gen_iter(cv) ||
-     CardTableRS::youngergen_may_have_been_dirty(cv));
-}
-
-void CardTableModRefBSForCTRS::non_clean_card_iterate_possibly_parallel(
-  Space* sp,
-  MemRegion mr,
-  OopsInGenClosure* cl,
-  CardTableRS* ct,
-  uint n_threads)
-{
-  if (!mr.is_empty()) {
-    if (n_threads > 0) {
-#if INCLUDE_ALL_GCS
-      non_clean_card_iterate_parallel_work(sp, mr, cl, ct, n_threads);
-#else  // INCLUDE_ALL_GCS
-      fatal("Parallel gc not supported here.");
-#endif // INCLUDE_ALL_GCS
-    } else {
-      // clear_cl finds contiguous dirty ranges of cards to process and clear.
-
-      // This is the single-threaded version used by DefNew.
-      const bool parallel = false;
-
-      DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, precision(), cl->gen_boundary(), parallel);
-      ClearNoncleanCardWrapper clear_cl(dcto_cl, ct, parallel);
-
-      clear_cl.do_MemRegion(mr);
-    }
-  }
-}
-
-bool CardTableModRefBSForCTRS::is_in_young(oop obj) const {
-  return GenCollectedHeap::heap()->is_in_young(obj);
-}