From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Mackall <mpm@selenic.com>
Subject: Re: [patch 20/20] Add apply_to_page_range() which applies a
	function to a pte range.
Date: Thu, 19 Apr 2007 16:30:13 -0500
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Matt Mackall <mpm@waste.org>, Ian Pratt <ian.pratt@xensource.com>, lkml <linux-kernel@vger.kernel.org>, Chris Wright <chrisw@sous-sol.org>, virtualization@lists.osdl.org, Andrew Morton <akpm@linux-foundation.org>, Christoph Lameter <clameter@sgi.com>, Ingo Molnar <mingo@elte.hu>
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On Thu, Apr 19, 2007 at 02:37:53PM -0700, Jeremy Fitzhardinge wrote:
> Matt Mackall wrote:
> > Haven't thought a huge amount about that. Perhaps it's best done with
> > the level 3 callback?
> >   
> 
> Level 2, I think, assuming you count the pte pages as level 1.  I think
> it can be dealt with, so long as it correctly skips level 1 callbacks
> for superpages, and does the test after the level 2 callback has returned.

I was counting from the top down.

-- 
Mathematics is the supreme nostalgia of our time.