Re: [PATCH v2 6/9] mm: free user PTE page table pages

[David Hildenbrand]

On 01.09.21 20:09, Jason Gunthorpe wrote:
> On Wed, Sep 01, 2021 at 07:58:47PM +0200, David Hildenbrand wrote:
> > You'll most likely have to touch each and every place either way, for
> > example when suddenly returning "null" instead of a pte. It's just a matter
> > of making this easier to review and the changes as minimal and as clear as
> > possible.
>
> I imagine the leading series to add the simplified API would include
> the null return already - the THP race avoidance requires it anyhow.

Okay, so we're on the same page.

> So you end up with a simpler self contained series that is a stand
> alone improvement followed by a much smaller series here that doesn't
> got back and re-touch the first series's changes.

Exactly.


--
Thanks,

David / dhildenb