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diff --git a/src/dpdk_lib18/librte_acl/tb_mem.h b/src/dpdk_lib18/librte_acl/tb_mem.h
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+++ b/src/dpdk_lib18/librte_acl/tb_mem.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _TB_MEM_H_
+#define _TB_MEM_H_
+
+/**
+ * @file
+ *
+ * RTE ACL temporary (build phase) memory management.
+ * Contains structures and functions to manage temporary (used by build only)
+ * memory. Memory allocated in large blocks to speed 'free' when trie is
+ * destructed (finish of build phase).
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rte_acl_osdep.h>
+
+struct tb_mem_block {
+	struct tb_mem_block *next;
+	struct tb_mem_pool  *pool;
+	size_t               size;
+	uint8_t             *mem;
+};
+
+struct tb_mem_pool {
+	struct tb_mem_block *block;
+	size_t               alignment;
+	size_t               min_alloc;
+	size_t               alloc;
+};
+
+void *tb_alloc(struct tb_mem_pool *pool, size_t size);
+void tb_free_pool(struct tb_mem_pool *pool);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _TB_MEM_H_ */