diff --git a/CMakeLists.txt b/CMakeLists.txt
index 561a5e807..15784fa1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -358,6 +358,7 @@ set(SOURCES
         db/internal_stats.cc
         db/log_reader.cc
         db/log_writer.cc
+        db/malloc_stats.cc
         db/managed_iterator.cc
         db/memtable.cc
         db/memtable_list.cc
diff --git a/TARGETS b/TARGETS
index 4f5ee1c01..7a5c8f0eb 100644
--- a/TARGETS
+++ b/TARGETS
@@ -83,6 +83,7 @@ cpp_library(
       "db/internal_stats.cc",
       "db/log_reader.cc",
       "db/log_writer.cc",
+      "db/malloc_stats.cc",
       "db/managed_iterator.cc",
       "db/memtable.cc",
       "db/memtable_list.cc",
diff --git a/db/db_impl.cc b/db/db_impl.cc
index 765e9d29c..e660c1c93 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -18,9 +18,6 @@
 #ifdef OS_SOLARIS
 #include <alloca.h>
 #endif
-#ifdef ROCKSDB_JEMALLOC
-#include "jemalloc/jemalloc.h"
-#endif
 
 #include <algorithm>
 #include <climits>
@@ -46,6 +43,7 @@
 #include "db/job_context.h"
 #include "db/log_reader.h"
 #include "db/log_writer.h"
+#include "db/malloc_stats.h"
 #include "db/managed_iterator.h"
 #include "db/memtable.h"
 #include "db/memtable_list.h"
@@ -370,39 +368,6 @@ void DBImpl::PrintStatistics() {
   }
 }
 
-#ifndef ROCKSDB_LITE
-#ifdef ROCKSDB_JEMALLOC
-typedef struct {
-  char* cur;
-  char* end;
-} MallocStatus;
-
-static void GetJemallocStatus(void* mstat_arg, const char* status) {
-  MallocStatus* mstat = reinterpret_cast<MallocStatus*>(mstat_arg);
-  size_t status_len = status ? strlen(status) : 0;
-  size_t buf_size = (size_t)(mstat->end - mstat->cur);
-  if (!status_len || status_len > buf_size) {
-    return;
-  }
-
-  snprintf(mstat->cur, buf_size, "%s", status);
-  mstat->cur += status_len;
-}
-#endif  // ROCKSDB_JEMALLOC
-
-static void DumpMallocStats(std::string* stats) {
-#ifdef ROCKSDB_JEMALLOC
-  MallocStatus mstat;
-  const unsigned int kMallocStatusLen = 1000000;
-  std::unique_ptr<char[]> buf{new char[kMallocStatusLen + 1]};
-  mstat.cur = buf.get();
-  mstat.end = buf.get() + kMallocStatusLen;
-  je_malloc_stats_print(GetJemallocStatus, &mstat, "");
-  stats->append(buf.get());
-#endif  // ROCKSDB_JEMALLOC
-}
-#endif  // !ROCKSDB_LITE
-
 void DBImpl::MaybeDumpStats() {
   mutex_.Lock();
   unsigned int stats_dump_period_sec =
diff --git a/db/malloc_stats.cc b/db/malloc_stats.cc
new file mode 100644
index 000000000..dbd2ddb7d
--- /dev/null
+++ b/db/malloc_stats.cc
@@ -0,0 +1,52 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under the BSD-style license found in the
+//  LICENSE file in the root directory of this source tree. An additional grant
+//  of patent rights can be found in the PATENTS file in the same 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.
+
+#include "db/malloc_stats.h"
+
+#ifndef ROCKSDB_LITE
+#include <memory>
+#include <string.h>
+
+namespace rocksdb {
+
+#ifdef ROCKSDB_JEMALLOC
+#include "jemalloc/jemalloc.h"
+
+typedef struct {
+  char* cur;
+  char* end;
+} MallocStatus;
+
+static void GetJemallocStatus(void* mstat_arg, const char* status) {
+  MallocStatus* mstat = reinterpret_cast<MallocStatus*>(mstat_arg);
+  size_t status_len = status ? strlen(status) : 0;
+  size_t buf_size = (size_t)(mstat->end - mstat->cur);
+  if (!status_len || status_len > buf_size) {
+    return;
+  }
+
+  snprintf(mstat->cur, buf_size, "%s", status);
+  mstat->cur += status_len;
+}
+#endif  // ROCKSDB_JEMALLOC
+
+void DumpMallocStats(std::string* stats) {
+#ifdef ROCKSDB_JEMALLOC
+  MallocStatus mstat;
+  const unsigned int kMallocStatusLen = 1000000;
+  std::unique_ptr<char[]> buf{new char[kMallocStatusLen + 1]};
+  mstat.cur = buf.get();
+  mstat.end = buf.get() + kMallocStatusLen;
+  je_malloc_stats_print(GetJemallocStatus, &mstat, "");
+  stats->append(buf.get());
+#endif  // ROCKSDB_JEMALLOC
+}
+
+}
+#endif  // !ROCKSDB_LITE
diff --git a/db/malloc_stats.h b/db/malloc_stats.h
new file mode 100644
index 000000000..212d447e2
--- /dev/null
+++ b/db/malloc_stats.h
@@ -0,0 +1,22 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under the BSD-style license found in the
+//  LICENSE file in the root directory of this source tree. An additional grant
+//  of patent rights can be found in the PATENTS file in the same 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
+
+#ifndef ROCKSDB_LITE
+
+#include <string>
+
+namespace rocksdb {
+
+void DumpMallocStats(std::string*);
+
+}
+
+#endif  // !ROCKSDB_LITE
diff --git a/src.mk b/src.mk
index c5645080a..b4ee808f2 100644
--- a/src.mk
+++ b/src.mk
@@ -35,6 +35,7 @@ LIB_SOURCES =                                                   \
   db/internal_stats.cc                                          \
   db/log_reader.cc                                              \
   db/log_writer.cc                                              \
+  db/malloc_stats.cc                                            \
   db/managed_iterator.cc                                        \
   db/memtable.cc                                                \
   db/memtable_list.cc                                           \