On Thu, Aug 20, 2026 at 11:40:35AM +0300, Mike Rapoport wrote: > > collapse_order_mixed_sources() faults its region as order-2 folios and > > collapses them to the -c target. Order 2 sits below the contpte threshold > > on both arm64 page-size configurations, so nothing in this suite unfolds a > > contpte source on purpose. > > > > Let -s name the source order alongside -c. The case then faults at that > > order, keeping order 2 when -s is absent, and the source order has to be a > > supported mTHP order below the target. The other mTHP cases are > > unaffected: mthp_push_target_order() enables only the target order. > > > > "-s 5 -c 7" on arm64/64K then collapses contpte-mapped sources into a > > larger mTHP. > > I'd fold it into the previous patch.
I would rather not mix new test cases with changes to how the test is driven. -- Kiryl Shutsemau / Kirill A. Shutemov

