[PATCH] mempool: fix rte_mempool_avail_count may segment fault when used in multiprocess

[Morten Brørup]

> From: changfengnan [mailto:changfengnan at bytedance.com]
> Sent: Monday, 14 November 2022 08.15
> 
> rte_mempool_create put tailq entry into rte_mempool_tailq list before
> populate, and pool_data set when populate. So in multi process, if
> process A create mempool, and process B can get mempool through
> rte_mempool_lookup before pool_data set, if B call rte_mempool_lookup,
> it will cause segment fault.
> Fix this by put tailq entry into rte_mempool_tailq after populate.
> 
> Signed-off-by: changfengnan <changfengnan at bytedance.com>
> ---

Good catch.

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With a proper sign-off line,
Acked-by: Morten Brørup <mb at smartsharesystems.com>