On Thu, 2017-06-22 at 13:44 -0400, David Miller wrote: > From: Paolo Abeni <pab...@redhat.com> > Date: Thu, 22 Jun 2017 15:01:22 +0200 > > > very similar to commit dd99e425be23 ("udp: prefetch > > rmem_alloc in udp_queue_rcv_skb()"), this allows saving a cache > > miss when the BH is bottle-neck for UDP over ipv6 packet > > processing, e.g. for small packets when a single RX NIC ingress > > queue is in use. > > > > Performances under flood when multiple NIC RX queues used are > > unaffected, but when a single NIC rx queue is in use, this > > gives ~8% performance improvement. > > > > Signed-off-by: Paolo Abeni <pab...@redhat.com> > > Applied but please look into that DNS lookup regression which was > reported today.
Sure! I'm on it right now. Cheers, Paolo