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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070419213013.GI11115@waste.org>
Date:	Thu, 19 Apr 2007 16:30:13 -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 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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/