diff --git a/storage/rocksdb/rocksdb/port/likely.h b/storage/rocksdb/rocksdb/port/likely.h
new file mode 100644
index 0000000000000000000000000000000000000000..397d757133ef08269ae8d19ddf9d998904ae926e
--- /dev/null
+++ b/storage/rocksdb/rocksdb/port/likely.h
@@ -0,0 +1,18 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#pragma once
+
+#if defined(__GNUC__) && __GNUC__ >= 4
+#define LIKELY(x)   (__builtin_expect((x), 1))
+#define UNLIKELY(x) (__builtin_expect((x), 0))
+#else
+#define LIKELY(x)   (x)
+#define UNLIKELY(x) (x)
+#endif
diff --git a/storage/rocksdb/rocksdb/port/malloc.h b/storage/rocksdb/rocksdb/port/malloc.h
new file mode 100644
index 0000000000000000000000000000000000000000..f973263e2ae0222845c2c394f0c0e10fb2deba3c
--- /dev/null
+++ b/storage/rocksdb/rocksdb/port/malloc.h
@@ -0,0 +1,17 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+#pragma once
+
+#ifdef ROCKSDB_MALLOC_USABLE_SIZE
+#ifdef OS_FREEBSD
+#include <malloc_np.h>
+#else
+#include <malloc.h>
+#endif  // OS_FREEBSD
+#endif  // ROCKSDB_MALLOC_USABLE_SIZE