On Saturday, September 24, 2016, Linus Torvalds <
torvalds@linux-foundation.org> wrote:

> On Sat, Sep 24, 2016 at 2:04 PM, Kirill A. Shutemov
> <kirill.shutemov@linux.intel.com <javascript:;>> wrote:
> >
> > Well, my ext4-with-huge-pages patchset[1] uses multi-order entries.
> > It also converts shmem-with-huge-pages and hugetlb to them.
>
> Ok, so that code actually has a chance of being used. I guess we'll
> not remove it. But I *would* like this subtle issue to have a comment
> around that odd cast/and/mask thing.
>
>             Linus
>

My DAX PMD patches will use multi-order entries as well.