Re: [PATCH RFC v2 00/12] socket sendmsg MSG_ZEROCOPY

On Tue, 2017-02-28 at 13:09 -0800, Andy Lutomirski wrote:

Does this mean that a user program that does a zerocopy send can cause
a retransmitted segment to contain different data than the original
segment?  If so, is that okay?

Same remark applies to sendfile() already, or other zero copy modes
(vmsplice() + splice() )