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, -- Peter Xu
