Re: [PATCH] [1/16] HWPOISON: Add page flag for poisoned pages

From: Andi Kleen
Date: Fri May 29 2009 - 14:36:06 EST

On Fri, May 29, 2009 at 02:26:05PM -0400, Rik van Riel wrote:
> Andi Kleen wrote:
> >On Fri, May 29, 2009 at 12:34:32PM -0400, Rik van Riel wrote:
> >>>They should just check for poisoned pages.
> >>#define PagePoisoned(page) (PageReserved(page) && PageWriteback(page))
> >
> >I don't know what the point of that would be. An exercise in code
> >obfuscation?
> Saving a page flag.

It seems pointless to me. 64bit has enough space and 32bit just puts
less node bits into ->flags.

ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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