Hannes Hering <hannes.hering at linux.vnet.ibm.com> wrote: > pref = skb_array[x]; > - prefetchw(pref); > - prefetchw(pref + EHEA_CACHE_LINE); > + if (pref) { > + prefetchw(pref); > + prefetchw(pref + EHEA_CACHE_LINE); Ummm... Is prefetch() or prefetchw() faulting? David