Messages in this thread | | | Date | Wed, 13 Oct 2021 11:06:53 +0800 | From | Peter Xu <> | 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 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
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