On Sat, 29 Jul 2023 00:13:54 +0800 Yin Fengwei <fengwei.yin@xxxxxxxxx> wrote: > In madvise_cold_or_pageout_pte_range() and madvise_free_pte_range(), > folio_mapcount() is used to check whether the folio is shared. But it's > not correct as folio_mapcount() returns total mapcount of large folio. > > Use folio_estimated_sharers() here as the estimated number is enough. What are the user-visible runtime effects of these changes? (and please try to avoid using the same Subject: for different patches)