On 6/29/23 08:27, Yu Zhao wrote: > On Wed, Jun 28, 2023 at 5:59 PM Yin Fengwei <fengwei.yin@xxxxxxxxx> wrote: >> >> Hi Yu, >> >> On 6/29/23 02:22, Yu Zhao wrote: >>> And please make sure it's disabled by default, because we are still >>> missing many important functions, e.g., I don't think we can mlock() >>> when large() && !pmd_mappable(), see mlock_pte_range() and >>> mlock_vma_folio(). We can fix it along with many things later, but we >>> need to present a plan and a schedule now. Otherwise, there would be >>> pushback if we try to land the series without supporting mlock(). >>> >>> Do you or Fengwei plan to take on it? (I personally don't.) If not, >> Do you mean the mlock() with large folio? Yes. I can work on it. Thanks. > > Great. Thanks! > > Other places that have the similar problem but are probably easier to > fix than the mlock() case: > * madvise_cold_or_pageout_pte_range() This one was on my radar. :). Regards Yin, Fengwei > * shrink_folio_list()