Comment # 1 on bug 1224403 from Anthony Iliopoulos

That's due to upstream kernel commit commit c9bdf768dd93 ("mm: convert
swap_readpage() to swap_read_folio()"), merged in v6.8-rc1.

The swapin.bt probe needs to be changed accordingly from kprobe:swap_readpage
to kprobe:swap_read_folio.