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

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Date:	Tue, 22 Feb 2011 09:11:20 -0800
From:	Andi Kleen <ak@...ux.intel.com>
To:	Christoph Lameter <cl@...ux.com>
CC:	Andi Kleen <andi@...stfloor.org>, akpm@...ux-foundation.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	aarcange@...hat.com, lwoodman@...hat.com
Subject: Re: [PATCH 1/8] Fix interleaving for transparent hugepages

On 2/22/2011 7:34 AM, Christoph Lameter wrote:
> 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.

Oops. True. Thanks.

-Andi

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