On 7/15/21 3:51 AM, Muchun Song wrote: > On Thu, Jul 15, 2021 at 3:36 AM Joao Martins <joao.m.martins@xxxxxxxxxx> wrote: >> >> memory_failure_dev_pagemap() at the moment assumes base pages (e.g. >> dax_lock_page()). For pagemap with compound pages fetch the >> compound_head in case a tail page memory failure is being handled. >> >> Currently this is a nop, but in the advent of compound pages in >> dev_pagemap it allows memory_failure_dev_pagemap() to keep working. >> >> Reported-by: Jane Chu <jane.chu@xxxxxxxxxx> >> Signed-off-by: Joao Martins <joao.m.martins@xxxxxxxxxx> >> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> > > Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > Thanks!