[dpdk-dev] [PATCH] mbuf: add helpers to prefetch mbuf

[Thomas Monjalon]

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?