Re: [PATCH net-next v4 1/3] udp: msg_zerocopy

2018-12-03 Thread Paolo Abeni
On Fri, 2018-11-30 at 15:32 -0500, 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.

[PATCH net-next v4 1/3] udp: msg_zerocopy

2018-11-30 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