linux-kernel - Re: [PATCH 5/5] have smaps show transparent huge pages

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Message-ID: <20110223153118.GE2810@mgebm.net>
Date:	Wed, 23 Feb 2011 10:31:18 -0500
From:	Eric B Munson <emunson@...bm.net>
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>, akpm@...l.org,
	Mel Gorman <mel@....ul.ie>,
	Johannes Weiner <hannes@...xchg.org>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH 5/5] have smaps show transparent huge pages

On Mon, 21 Feb 2011, Dave Hansen wrote:

> 
> 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.
> 
> This way, we can make sure that we're getting THPs where we
> expect to see them.
> 
> 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
> 
> Acked-by: Mel Gorman <mel@....ul.ie>
> Acked-by: David Rientjes <rientjes@...gle.com>
> Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com>

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

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