linux-kernel - Re: [PATCH 1/8] Fix interleaving for transparent hugepages

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Message-ID: <alpine.DEB.2.00.1102220933500.16060@router.home>
Date:	Tue, 22 Feb 2011 09:34:33 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, aarcange@...hat.com,
	lwoodman@...hat.com, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 1/8] Fix interleaving for transparent hugepages


On Mon, 21 Feb 2011, Andi Kleen wrote:

> @@ -1830,7 +1830,7 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma,
>  	if (unlikely(pol->mode == MPOL_INTERLEAVE)) {
>  		unsigned nid;
>
> -		nid = interleave_nid(pol, vma, addr, PAGE_SHIFT);
> +		nid = interleave_nid(pol, vma, addr, PAGE_SHIFT << order);

Should be PAGE_SHIFT + order.
x
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