linux-kernel - Re: [PATCH 4/5] teach smaps_pte

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Message-ID: <20110210111736.GF17873@csn.ul.ie>
Date:	Thu, 10 Feb 2011 11:17:36 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Michael J Wolf <mjwolf@...ibm.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH 4/5] teach smaps_pte_range() about THP pmds

On Wed, Feb 09, 2011 at 11:54:11AM -0800, Dave Hansen wrote:
> 
> This adds code to explicitly detect  and handle
> pmd_trans_huge() pmds.  It then passes HPAGE_SIZE units
> in to the smap_pte_entry() function instead of PAGE_SIZE.
> 
> This means that using /proc/$pid/smaps now will no longer
> cause THPs to be broken down in to small pages.
> 
> Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com>
> Acked-by: Johannes Weiner <hannes@...xchg.org>
> Acked-by: David Rientjes <rientjes@...gle.com>

Acked-by: Mel Gorman <mel@....ul.ie>

-- 
Mel Gorman
SUSE Labs
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