On Tue, Feb 28, 2017 at 1:47 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > 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
True. >, or other zero copy modes > (vmsplice() + splice() ) I hate vmsplice(). I thought I remembered it being essentially disabled at some point due to security problems. >