Re: [PATCH V2] MCE: fix an error of mce_bad_pages statistics

[Simon Jeons]

On Tue, 2012-12-11 at 04:19 +0100, Andi Kleen wrote:
> On Mon, Dec 10, 2012 at 09:13:11PM -0600, Simon Jeons wrote:
> > On Tue, 2012-12-11 at 04:01 +0100, Andi Kleen wrote:
> > > > Oh, it will be putback to lru list during migration. So does your "some
> > > > time" mean before call check_new_page?
> > > 
> > > Yes until the next check_new_page() whenever that is. If the migration
> > > works it will be earlier, otherwise later.
> > 
> > But I can't figure out any page reclaim path check if the page is set
> > PG_hwpoison, can poisoned pages be rclaimed?
> 
> The only way to reclaim a page is to free and reallocate it.

Then why there doesn't have check in reclaim path to avoid relcaim
poisoned page?

			-Simon

> 
> -Andi


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