Re: [PATCH 3/6] userfaultfd: use userfaultfd_*() helpers instead of open coded flag tests
Barry Song <[email protected]>
| Newsgroups | org.kernel.vger.linux-doc,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-trace-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <CAGsJ_4w643aN5OY5RqSwPy5V=ost8fGyaODGyGQj4c_Q+LYO+A@mail.gmail.com> |
On Sun, Aug 23, 2026 at 8:18 PM Mike Rapoport (Microsoft) <[email protected]> wrote: > > Move userfaultfd_{missing,wp,minor,rwp}() and userfaultfd_protected() > ahead of uffd_disable_huge_pmd_share() and uffd_disable_fault_around() > and make the latter two use the helpers rather than open coded VMA flag > masks. > > Convert open coded VMA flag test in mfill_get_vma() to userfaultfd_wp() > as well. > > With every user of the per-VMA uffd modes going through the helpers, > their underlying representation can be changed in the next step. > > No functional change. > > Assisted-by: copilot:claude-opus-5 > Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> LGTM, Reviewed-by: Barry Song <[email protected]>