On Mon, 2012-12-10 at 16:38 +0100, Andi Kleen wrote:
> > It is another topic, I mean since the page is poisoned, so why not isolate
> > it
> > from page buddy alocator in soft_offline_page() rather than in
> > check_new_page().
> > I find soft_offline_page() only migrate the page and mark HWPoison, the
> > poisoned
> > page is still managed by page buddy alocator.
>
> Doing it in check_new_page is the only way if the page is currently
> allocated by someone. Since that's not uncommon it's simplest to always
> do it this way.
Hi Andi,
IIUC, soft offlining will isolate and migrate hwpoisoned page, and this
page will not be accessed by memory management subsystem until unpoison,
correct?
-Simon
>
> -Andi
>
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