Re: [PATCH 3/4] Check whether pages are poisoned before copying

From: Andi Kleen
Date: Thu Mar 17 2011 - 00:14:34 EST

On Thu, Mar 17, 2011 at 11:32:55AM +0900, Hidetoshi Seto wrote:
> So to avoid the above problem, add poison checks for both of 4K pages
> and the THP before copying in __collapse_huge_page_copy().

I don't think you need the check for the huge page -- it should not be allocated
in this case.


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