Re: [PATCH 5/7] hugetlb: pin oldpage in page migration

[Andi Kleen]

On Fri, Jul 02, 2010 at 02:47:24PM +0900, Naoya Horiguchi wrote:
> This patch introduces pinning the old page during page migration
> to avoid freeing it before we complete copying.
> This race condition can happen for privately mapped or anonymous hugepage.

Patch looks good.
-Andi
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