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diff --git a/vppinfra/vppinfra/mheap.h b/vppinfra/vppinfra/mheap.h
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+++ b/vppinfra/vppinfra/mheap.h
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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+  Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef included_mheap_h
+#define included_mheap_h
+
+#include <vppinfra/vec.h>
+#include <vppinfra/error.h>         /* clib_error_t */
+#include <vppinfra/mem.h>           /* clib_mem_usage_t */
+#include <vppinfra/format.h>	/* for unformat_input_t */
+
+/* Allocate size bytes.  New heap and offset are returned.
+   offset == ~0 means allocation failed. */
+always_inline void * mheap_get (void * v, uword size, uword * offset_return)
+{ return mheap_get_aligned (v, size, 0, 0, offset_return); }
+
+/* Create allocation heap of given size. */
+void * mheap_alloc (void * memory, uword memory_bytes);
+void * mheap_alloc_with_flags (void * memory, uword memory_bytes, uword flags);
+
+#define mheap_free(v) (v) = _mheap_free(v)
+void * _mheap_free (void * v);
+
+void mheap_foreach (void * v,
+		    uword (* func) (void * arg, void * v, void * elt_data, uword elt_size),
+		    void * arg);
+
+/* Format mheap data structures as string. */
+u8 * format_mheap (u8 * s, va_list * va);
+
+/* Validate internal consistency. */
+void mheap_validate (void * h);
+
+/* Query bytes used. */
+uword mheap_bytes (void * v);
+
+void mheap_usage (void * v, clib_mem_usage_t * usage);
+
+/* Enable disable traceing. */
+void mheap_trace (void * v, int enable);
+
+/* Test routine. */
+int test_mheap_main (unformat_input_t * input);
+
+#endif /* included_mheap_h */