Messages in this thread | | | Subject | Re: [PATCH V2] MCE: fix an error of mce_bad_pages statistics | From | Simon Jeons <> | Date | Mon, 10 Dec 2012 20:14:31 -0600 |
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On Tue, 2012-12-11 at 03:03 +0100, Andi Kleen wrote: > > 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.
Oh, it will be putback to lru list during migration. So does your "some time" mean before call check_new_page?
-Simon
> > 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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