Re: [PATCH net-next v3 1/3] udp: msg_zerocopy

2018-11-29 Thread Willem de Bruijn
On Thu, Nov 29, 2018 at 3:26 PM Willem de Bruijn wrote: > > From: Willem de Bruijn > > Extend zerocopy to udp sockets. Allow setting sockopt SO_ZEROCOPY and > interpret flag MSG_ZEROCOPY. > > This patch was previously part of the zerocopy RFC patchsets. Zerocopy > is not effective at small MTU. W

[PATCH net-next v3 1/3] udp: msg_zerocopy

2018-11-29 Thread Willem de Bruijn
From: Willem de Bruijn Extend zerocopy to udp sockets. Allow setting sockopt SO_ZEROCOPY and interpret flag MSG_ZEROCOPY. This patch was previously part of the zerocopy RFC patchsets. Zerocopy is not effective at small MTU. With segmentation offload building larger datagrams, the benefit of page