--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/g1/heapRegionSet.inline.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2011, 2015, 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_G1_HEAPREGIONSET_INLINE_HPP
+#define SHARE_VM_GC_G1_HEAPREGIONSET_INLINE_HPP
+
+#include "gc/g1/heapRegionSet.hpp"
+
+inline void HeapRegionSetBase::add(HeapRegion* hr) {
+  check_mt_safety();
+  assert_heap_region_set(hr->containing_set() == NULL, "should not already have a containing set");
+  assert_heap_region_set(hr->next() == NULL, "should not already be linked");
+  assert_heap_region_set(hr->prev() == NULL, "should not already be linked");
+
+  _length++;
+  hr->set_containing_set(this);
+  verify_region(hr);
+}
+
+inline void HeapRegionSetBase::remove(HeapRegion* hr) {
+  check_mt_safety();
+  verify_region(hr);
+  assert_heap_region_set(hr->next() == NULL, "should already be unlinked");
+  assert_heap_region_set(hr->prev() == NULL, "should already be unlinked");
+
+  hr->set_containing_set(NULL);
+  assert_heap_region_set(_length > 0, "pre-condition");
+  _length--;
+}
+
+inline void FreeRegionList::add_ordered(HeapRegion* hr) {
+  assert_free_region_list((length() == 0 && _head == NULL && _tail == NULL && _last == NULL) ||
+                          (length() >  0 && _head != NULL && _tail != NULL),
+                          "invariant");
+  // add() will verify the region and check mt safety.
+  add(hr);
+
+  // Now link the region
+  if (_head != NULL) {
+    HeapRegion* curr;
+
+    if (_last != NULL && _last->hrm_index() < hr->hrm_index()) {
+      curr = _last;
+    } else {
+      curr = _head;
+    }
+
+    // Find first entry with a Region Index larger than entry to insert.
+    while (curr != NULL && curr->hrm_index() < hr->hrm_index()) {
+      curr = curr->next();
+    }
+
+    hr->set_next(curr);
+
+    if (curr == NULL) {
+      // Adding at the end
+      hr->set_prev(_tail);
+      _tail->set_next(hr);
+      _tail = hr;
+    } else if (curr->prev() == NULL) {
+      // Adding at the beginning
+      hr->set_prev(NULL);
+      _head = hr;
+      curr->set_prev(hr);
+    } else {
+      hr->set_prev(curr->prev());
+      hr->prev()->set_next(hr);
+      curr->set_prev(hr);
+    }
+  } else {
+    // The list was empty
+    _tail = hr;
+    _head = hr;
+  }
+  _last = hr;
+}
+
+inline HeapRegion* FreeRegionList::remove_from_head_impl() {
+  HeapRegion* result = _head;
+  _head = result->next();
+  if (_head == NULL) {
+    _tail = NULL;
+  } else {
+    _head->set_prev(NULL);
+  }
+  result->set_next(NULL);
+  return result;
+}
+
+inline HeapRegion* FreeRegionList::remove_from_tail_impl() {
+  HeapRegion* result = _tail;
+
+  _tail = result->prev();
+  if (_tail == NULL) {
+    _head = NULL;
+  } else {
+    _tail->set_next(NULL);
+  }
+  result->set_prev(NULL);
+  return result;
+}
+
+inline HeapRegion* FreeRegionList::remove_region(bool from_head) {
+  check_mt_safety();
+  verify_optional();
+
+  if (is_empty()) {
+    return NULL;
+  }
+  assert_free_region_list(length() > 0 && _head != NULL && _tail != NULL, "invariant");
+
+  HeapRegion* hr;
+
+  if (from_head) {
+    hr = remove_from_head_impl();
+  } else {
+    hr = remove_from_tail_impl();
+  }
+
+  if (_last == hr) {
+    _last = NULL;
+  }
+
+  // remove() will verify the region and check mt safety.
+  remove(hr);
+  return hr;
+}
+
+#endif // SHARE_VM_GC_G1_HEAPREGIONSET_INLINE_HPP
+