The library supports two stack implementations: standard (lock-based) and lock-free.
The lock-free implementation is currently limited to x86-64 platforms.
+* **Added Lock-Free Stack Mempool Handler.**
+
+ Added a new lock-free stack handler, which uses the newly added stack
+ library.
+
* **Updated KNI module and PMD.**
Updated the KNI kernel module to set the max_mtu according to the given