[PATCH] mm: fix hugetlb page unmap count balance issue

[Greg Kroah-Hartman]

On Wed, Jun 07, 2023 at 02:00:01PM -0700, Andrew Morton wrote:
> On Wed, 7 Jun 2023 13:53:10 -0700 Mike Kravetz <mike.kravetz at oracle.com> wrote:
> 
> > > 
> > > BUGs aren't good.  Can we please find a way to push this along?
> > > 
> > > Have we heard anything from any udmabuf people?
> > > 
> > 
> > I have not heard anything.  When this issue popped up, it took me by surprise.
> > 
> > udmabuf maintainer (Gerd Hoffmann), the people who added hugetlb support and
> > the list where udmabuf was developed (dri-devel at lists.freedesktop.org) have
> > been on cc.
> 
> Maybe Greg can suggest a way forward.

I'm guessing that no one is using this code then, so why don't we just
remove it entirely?

thanks,

greg k-h