On Fri, 30 Sep 2022 21:03:53 -0400 Peter Xu <peterx@xxxxxxxxxx> 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.