Re: [dpdk-dev] [PATCH] mbuf: add bulk free function

[Stephen Hemminger <stephen@networkplumber.org>]

On Wed, 11 Sep 2019 09:19:08 +0000
Morten Brørup <mb@smartsharesystems.com> wrote:

> Add function for freeing a bulk of mbufs.
> 
> Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
> ---
>  lib/librte_mbuf/rte_mbuf.h | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
> index 98225ec80..f2e174da1 100644
> --- a/lib/librte_mbuf/rte_mbuf.h
> +++ b/lib/librte_mbuf/rte_mbuf.h
> @@ -1907,6 +1907,23 @@ static inline void rte_pktmbuf_free(struct rte_mbuf *m)
>  	}
>  }
>  
> +/**
> + * Free a bulk of mbufs back into their original mempool.
> + *
> + *  @param mbufs
> + *    Array of pointers to mbufs
> + *  @param count
> + *    Array size
> + */
> +static inline void
> +rte_pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned count)
> +{
> +	unsigned idx = 0;
> +
> +	for (idx = 0; idx < count; idx++)
> +		rte_pktmbuf_free(mbufs[idx]);
> +}
> +

You can optimize this to use mempool bulk put operation.