On 06/12/2018 07:39 AM, Kirill A. Shutemov wrote: > Pages for encrypted VMAs have to be allocated in a special way: > we would need to propagate down not only desired NUMA node but also > whether the page is encrypted. > > It complicates not-so-trivial routine of huge page allocation in > khugepaged even more. It also puts more pressure on page allocator: > we cannot re-use pages allocated for encrypted VMA to collapse > page in unencrypted one or vice versa. > > I think for now it worth skipping encrypted VMAs. We can return > to this topic later. You're asking for this to be included, but without a major piece of THP support. Is THP support unimportant for this feature? Are we really asking the x86 maintainers to merge this feature with this restriction in place?
