On Tue, Oct 12, 2021 at 8:07 PM Peter Xu <peterx@xxxxxxxxxx> wrote: > > On Tue, Oct 12, 2021 at 08:00:31PM -0700, Yang Shi wrote: > > The page refcount could stop collapsing hwpoison page. One could argue > > khugepaged could bail out earlier by checking hwpoison flag, but it is > > definitely not a must do. So it relies on refcount now. > > I suppose you mean the page_ref_freeze() in collapse_file()? Yeah that seems > to work too. Thanks, Yes, exactly. > > -- > Peter Xu >
