From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] mbuf: add helpers to prefetch mbuf
Date: Mon, 09 May 2016 19:28:30 +0200
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References: <1462810707-7434-1-git-send-email-olivier.matz@6wind.com>
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To: Olivier Matz <olivier.matz@6wind.com>
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2016-05-09 18:18, Olivier Matz:
> +/**
> + * Prefetch the second part of the mbuf
> + *
> + * The next 64 bytes of the mbuf corresponds to fields that are used in the
> + * transmit path. If the cache line of the architecture is higher than 64B,
> + * this function does nothing as it is expected that the full mbuf is
> + * already in cache.
> + *
> + * @param m
> + *   The pointer to the mbuf.
> + */
> +static inline void
> +rte_mbuf_prefetch_part1(struct rte_mbuf *m)

It is not so natural to call rte_mbuf_prefetch_part1() for the second part.
Why not start mbuf parts numbering at 1?