On Thu, Jul 22, 2021, 7:04 PM Shakeel Butt <shakeelb@google.com> wrote:

> On Thu, Jul 22, 2021 at 6:14 PM Suren Baghdasaryan <surenb@google.com>
> wrote:
> >
> [...]
> > +
> > +       mmap_read_lock(mm);
>
> How about mmap_read_trylock(mm) and return -EAGAIN on failure?
>

That sounds like a good idea. Thanks! I'll add that in the next respin.



>
> > +       if (!__oom_reap_task_mm(mm))
> > +               ret = -EAGAIN;
> > +       mmap_read_unlock(mm);
> > +
>