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

[Jason Gunthorpe]

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.

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.

Jason