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>
