On Sat, Aug 17, 2024 at 05:51:17PM +0800, Kefeng Wang wrote: > Convert to use folios then remove find_subpage(), thp_nr_pages() > and PageTransHuge(). This patch series is premature. None of these APIs are particularly advantageous to remove (they're inline functions, so cost nothing unless used). All of the places which use them are scheduled for removal. If you want to help, converting the filesystems which use the batch interfaces to use folios instead of pages would be a good way to start.