Re: [PATCH v2 1/2] mm/migrate: Fix read-only page got writable when recover pte

Peter Xu
2022-11-10T22:09:28Z

On Thu, Nov 10, 2022 at 01:28:31PM -0800, Nadav Amit wrote:
> On Nov 10, 2022, at 12:31 PM, Peter Xu <peterx@redhat.com> wrote:
>
> > Ives van Hoorne from codesandbox.io reported an issue regarding possible
> > data loss of uffd-wp when applied to memfds on heavily loaded systems. The
> > sympton is some read page got data mismatch from the snapshot child VMs.
>
> symptom (if you care)

Yes, but,

>
> Other than that LGTM

this definitely matters more. :) Thanks for taking a look, Nadav.

--
Peter Xu