linux-kernel - Re: [patch 20/20] Add apply_to_page_range() which applies a function to a pte range.

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Message-ID: <20070419195957.GF11115@waste.org>
Date:	Thu, 19 Apr 2007 14:59:57 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...ux-foundation.org>,
	virtualization@...ts.osdl.org, lkml <linux-kernel@...r.kernel.org>,
	Ian Pratt <ian.pratt@...source.com>,
	Christian Limpach <Christian.Limpach@...cam.ac.uk>,
	Chris Wright <chrisw@...s-sol.org>,
	Christoph Lameter <clameter@....com>,
	Matt Mackall <mpm@...te.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch 20/20] Add apply_to_page_range() which applies a function to a pte range.

On Thu, Apr 19, 2007 at 12:44:57PM -0700, Jeremy Fitzhardinge wrote:
> Matt Mackall wrote:
> > I think adding a flags field and an allocate flag to my callback
> > struct would be sufficient here.
> >   
> 
> Yes, probably.
> 
> What about something that wants to shatter superpages?

Haven't thought a huge amount about that. Perhaps it's best done with
the level 3 callback?

> Don't know that that's a huge concern.  The typedef namespace (*_t) is
> pretty empty, and its not like we're talking about something that's
> visible outside the kernel.  And the syntax is *really* ugly.

Don't really care about this much.

-- 
Mathematics is the supreme nostalgia of our time.
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