The ``rte_mempool_default_cache()`` call returns the default internal cache if any.
In contrast to the default caches, user-owned caches can be used by unregistered non-EAL threads too.
The ``rte_mempool_default_cache()`` call returns the default internal cache if any.
In contrast to the default caches, user-owned caches can be used by unregistered non-EAL threads too.