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Date: Wed, 23 Feb 2011 10:31:18 -0500
From: Eric B Munson <emunson@mgebm.net>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        Michael J Wolf <mjwolf@us.ibm.com>,
        Andrea Arcangeli <aarcange@redhat.com>, akpm@osdl.org,
        Mel Gorman <mel@csn.ul.ie>, Johannes Weiner <hannes@cmpxchg.org>,
        David Rientjes <rientjes@google.com>
Subject: Re: [PATCH 5/5] have smaps show transparent huge pages
Message-ID: <20110223153118.GE2810@mgebm.net>
References: <20110222015338.309727CA@kernel>
 <20110222015345.BF949720@kernel>
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On Mon, 21 Feb 2011, Dave Hansen wrote:

>=20
> Now that the mere act of _looking_ at /proc/$pid/smaps will not
> destroy transparent huge pages, tell how much of the VMA is
> actually mapped with them.
>=20
> This way, we can make sure that we're getting THPs where we
> expect to see them.
>=20
> v3 - * changed HPAGE_SIZE to HPAGE_PMD_SIZE, probably more correct
>        and also has a nice BUG() in case there was a .config mishap
>      * remove direct reference to ->page_table_lock, and used the
>        passed-in ptl pointer insteadl
>=20
> Acked-by: Mel Gorman <mel@csn.ul.ie>
> Acked-by: David Rientjes <rientjes@google.com>
> Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>

Reviewed-and-tested-by: Eric B Munson <emunson@mgebm.net>

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