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SubjectRe: [syzbot] WARNING in change_protection
On Fri, 30 Sep 2022 21:03:53 -0400 Peter Xu <peterx@redhat.com> wrote:

> When PTE_MARKER_UFFD_WP not configured, it's still possible to reach pte
> marker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP
> ifdefs to make sure the code won't be reached when not compiled in.

Thanks.

Is 679d10331910180 ("mm: introduce PTE_MARKER swap entry") the
appropriate Fixes: target?

Should we backport to -stable?

The inlined ifdefs are unpleasing. Let's go with this for now, but
some future cleanup would be nice.

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