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.
Thank you.
