Messages in this thread | | | From | Yang Shi <> | Date | Tue, 12 Oct 2021 20:29:01 -0700 | Subject | Re: [v3 PATCH 4/5] mm: shmem: don't truncate page if memory failure happens |
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On Tue, Oct 12, 2021 at 8:07 PM Peter Xu <peterx@redhat.com> 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 >
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