--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/memory/metaspace/leftOverBins.cpp	Fri Nov 01 10:28:15 2019 +0100
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2019, SAP SE. All rights reserved.
+ * Copyright (c) 2019, 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 "memory/metaspace/leftOverBins.inline.hpp"
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/ostream.hpp"
+
+
+namespace metaspace {
+
+
+
+#ifdef ASSERT
+void LeftOverManager::verify() const {
+  _very_small_bins.verify();
+
+  if (_large_block_reserve != NULL) {
+    assert(_current != NULL, "Sanity");
+  }
+
+  assert( (_current == NULL && _current_size == 0) ||
+          (_current != NULL && _current_size > 0), "Sanity");
+
+  for (block_t* b = _large_block_reserve; b != NULL; b = b->next) {
+    assert(b->size > 0 && b->size <= 4 * M, "Weird block size");
+  }
+
+}
+#endif
+
+void LeftOverManager::large_block_statistics(block_stats_t* stats) const {
+  for (block_t* b = _large_block_reserve; b != NULL; b = b->next) {
+    stats->num_blocks ++;
+    stats->word_size += b->size;
+  }
+}
+
+void LeftOverManager::statistics(block_stats_t* stats) const {
+  stats->num_blocks = 0;
+  stats->word_size = 0;
+  _very_small_bins.statistics(stats);
+  if (_current != NULL) {
+    stats->num_blocks ++;
+    stats->word_size += _current_size;
+    large_block_statistics(stats);
+  } else {
+    assert(_large_block_reserve == NULL, "Sanity");
+  }
+}
+
+void LeftOverManager::print(outputStream* st, bool detailed) const {
+
+  block_stats_t s;
+
+  if (_current != NULL) {
+    st->print("current: " SIZE_FORMAT " words; ", _current_size);
+  }
+
+  s.num_blocks = 0; s.word_size = 0;
+  large_block_statistics(&s);
+  st->print("large blocks: %d blocks, " SIZE_FORMAT " words", s.num_blocks, s.word_size);
+  if (detailed) {
+    st->print(" (");
+    for (block_t* b = _large_block_reserve; b != NULL; b = b->next) {
+      st->print(SIZE_FORMAT "%s", b->size, b->next != NULL ? ", " : "");
+    }
+    st->print(")");
+  }
+  st->print("; ");
+
+  s.num_blocks = 0; s.word_size = 0;
+  _very_small_bins.statistics(&s);
+  st->print("small blocks: %d blocks, " SIZE_FORMAT " words", s.num_blocks, s.word_size);
+  if (detailed) {
+    st->print(" (");
+    _very_small_bins.print(st);
+    st->print(")");
+  }
+  st->print("; ");
+}
+
+} // namespace metaspace
+