On Mon, Jun 08, 2015 at 04:57:22PM +0200, Olivier Matz wrote: > In __rte_pktmbuf_prefree_seg(), there was an optimization to avoid using > a costly atomic operation when updating the mbuf reference counter if > its value is 1. Indeed, it means that we are the only owner of the mbuf, > and therefore nobody can change it at the same time. > > We can generalize this optimization directly in rte_mbuf_refcnt_update() > so the other callers of this function, like rte_pktmbuf_attach(), can > also take advantage of this optimization. > > Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
