On Wed, Apr 18, 2018 at 11:03:14AM +0200, Michal Hocko wrote: > > > > > > What about something like the following? > > > " > > > arg_lock protects concurent updates but we still need mmap_sem for read > > > to exclude races with do_brk. > > > " > > > Acked-by: Michal Hocko <mhocko@xxxxxxxx> > > > > Yes, thanks! Andrew, could you slightly update the changelog please? > > No, I meant it to be a comment in the _code_. Ah, I see. Then small patch on top should do the trick.