On Tue, Jan 31, 2017 at 02:29:40PM +0300, Pavel Emelyanov wrote: > > > > optional int32 oom_score_adj = 14; > > + optional int32 tty_nr = 15; > > + optional int32 tty_pgrp = 16; > > Both are write-only in this set. Yes. And as changelog says it is for future use. To support proper restore of /dev/tty inheritance.