netdev - [PATCH v3 net-next 0/4] udp: receive path optimizations

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Date:   Thu,  8 Dec 2016 11:41:53 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH v3 net-next 0/4] udp: receive path optimizations

This patch series provides about 100 % performance increase under flood. 

v2: added Paolo feedback on udp_rmem_release() for tiny sk_rcvbuf
    added the last patch touching sk_rmem_alloc later

Eric Dumazet (4):
  udp: add busylocks in RX path
  udp: copy skb->truesize in the first cache line
  udp: add batching to udp_rmem_release()
  udp: udp_rmem_release() should touch sk_rmem_alloc later

 include/linux/skbuff.h |  9 ++++++-
 include/linux/udp.h    |  3 +++
 net/ipv4/udp.c         | 71 ++++++++++++++++++++++++++++++++++++++++++++++----
 3 files changed, 77 insertions(+), 6 deletions(-)

-- 
2.8.0.rc3.226.g39d4020