linux-kernel - Re: [patch 0/4] [RFC] MMU Notifiers V1

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Message-ID: <Pine.LNX.4.64.0801281103030.14003@schroedinger.engr.sgi.com>
Date:	Mon, 28 Jan 2008 11:04:43 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Andrea Arcangeli <andrea@...ranet.com>
cc:	Izik Eidus <izike@...ranet.com>, Robin Holt <holt@....com>,
	Avi Kivity <avi@...ranet.com>, Nick Piggin <npiggin@...e.de>,
	kvm-devel@...ts.sourceforge.net,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, steiner@....com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	daniel.blueman@...drics.com, Hugh Dickins <hugh@...itas.com>
Subject: Re: [patch 0/4] [RFC] MMU Notifiers V1

On Mon, 28 Jan 2008, Andrea Arcangeli wrote:

> So I'd like to know what can we do to help to merge the 4 patches from
> Christoph in mainline, I'd appreciate comments on them so we can help
> to address any outstanding issue!

There are still some pending issues (RCU troubles). I will post V2 today.
 
> It's very important to have this code in 2.6.25 final. KVM requires
> mmu notifiers for reliable swapping, madvise/ballooning, ksm etc... so
> it's high priority to get something merged to provide this
> functionality regardless of its coding style ;).

We also need this urgently.
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