UNEVICTABLE_PGCULLED
__count_vm_events(UNEVICTABLE_PGCULLED, folio_nr_pages(folio));
__count_vm_events(UNEVICTABLE_PGCULLED, folio_nr_pages(folio));
__count_vm_events(UNEVICTABLE_PGCULLED, nr_pages);
__count_vm_events(UNEVICTABLE_PGCULLED, delta);
[I(UNEVICTABLE_PGCULLED)] = "unevictable_pgs_culled",