diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/share/gc/shared/preservedMarks.inline.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/shared/preservedMarks.inline.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2016, 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_SHARED_PRESERVEDMARKS_INLINE_HPP
+#define SHARE_VM_GC_SHARED_PRESERVEDMARKS_INLINE_HPP
+
+#include "gc/shared/preservedMarks.hpp"
+#include "oops/oop.inline.hpp"
+#include "utilities/stack.inline.hpp"
+
+inline bool PreservedMarks::should_preserve_mark(oop obj, markOop m) const {
+  return m->must_be_preserved_for_promotion_failure(obj);
+}
+
+inline void PreservedMarks::push(oop obj, markOop m) {
+  assert(should_preserve_mark(obj, m), "pre-condition");
+  OopAndMarkOop elem(obj, m);
+  _stack.push(elem);
+}
+
+inline void PreservedMarks::push_if_necessary(oop obj, markOop m) {
+  if (should_preserve_mark(obj, m)) {
+    push(obj, m);
+  }
+}
+
+inline void PreservedMarks::init_forwarded_mark(oop obj) {
+  obj->init_mark();
+}
+
+inline void PreservedMarksSet::restore(RestorePreservedMarksTaskExecutor* executor) {
+  volatile size_t total_size = 0;
+
+#ifdef ASSERT
+  // This is to make sure the total_size we'll calculate below is correct.
+  size_t total_size_before = 0;
+  for (uint i = 0; i < _num; i += 1) {
+    total_size_before += get(i)->size();
+  }
+#endif // def ASSERT
+
+  executor->restore(this, &total_size);
+  assert_empty();
+
+  assert(total_size == total_size_before,
+         "total_size = " SIZE_FORMAT " before = " SIZE_FORMAT,
+         total_size, total_size_before);
+
+  log_trace(gc)("Restored " SIZE_FORMAT " marks", total_size);
+}
+
+inline PreservedMarks::PreservedMarks()
+    : _stack(OopAndMarkOopStack::default_segment_size(),
+             // This stack should be used very infrequently so there's
+             // no point in caching stack segments (there will be a
+             // waste of space most of the time). So we set the max
+             // cache size to 0.
+             0 /* max_cache_size */) { }
+
+#endif // SHARE_VM_GC_SHARED_PRESERVEDMARKS_INLINE_HPP