On 05/17, Michal Hocko wrote: > > On Mon 16-05-16 19:22:54, Oleg Nesterov wrote: > > > The patch adds the new trivial helper, mmget_not_zero(), it can have more > > users. > > Is this really helpful?
Well, this is subjective of course, but I think the code looks a bit better this way. uprobes, fs/proc and more can use this helper too. And in fact the initial version of this patch did atomic_inc_not_zero(mm->users) by hand, then it was suggested to add a helper. > > Signed-off-by: Oleg Nesterov <[email protected]> > > The patch seems good to me but I am not familiar with the userfaultfd > internals enought to give you reviewed-by nor acked-by. I welcome the > change anyway. Thanks ;) Oleg.

