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SubjectRe: [PATCH V2] MCE: fix an error of mce_bad_pages statistics
> IIUC, soft offlining will isolate and migrate hwpoisoned page, and this
> page will not be accessed by memory management subsystem until unpoison,
> correct?

No, soft offlining can still allow accesses for some time. It'll never kill
anything.

Hard tries much harder and will kill.

In some cases (unshrinkable kernel allocation) they end up doing the same
because there isn't any other alternative though. However these are
expected to only apply to a small percentage of pages in a typical
system.

-Andi


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