Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx> wrote: > No need to modify __sys_sendmmsg explicitly, as it ends up calling > __sys_sendmsg? > > Also, sendpage does this flags masking in the internal sock_FUNC > helpers rather than __sys_FUNC. Might be preferable. I was wondering whether other flags, such as MSG_BATCH should be added to the list. Is it bad if userspace sets that in sendmsg()? AF_KCM, at least, looks at it. David