Re: [PATCH -next v2] mm/hotplug: fix a null-ptr-deref during NUMA boot

From: Pingfan Liu
Date: Wed Jun 26 2019 - 23:11:55 EST

On Wed, Jun 26, 2019 at 9:57 PM Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> On Mon 24-06-19 16:42:20, Pingfan Liu wrote:
> > Hi Michal,
> >
> > What about dropping the change of the online definition of your patch,
> > just do the following?
> I am sorry but I am unlikely to find some more time to look into this. I
> am willing to help reviewing but I will not find enough time to focus on
> this to fix up the patch. Are you willing to work on this and finish the
> patch? It is a very tricky area with side effects really hard to see in
> advance but going with a robust fix is definitely worth the effort.
Yeah, the bug is a little trivial but hard to fix bug, and take a lot
of time. It is hard to meet your original design target, based on
current situation. I will have a try limited to this bug.

> Thanks!
> --
> Michal Hocko
> SUSE Labs