linux-kernel - Re: [kvm-devel] [PATCH] export notifier #1

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Message-ID: <20080124144150.GO7141@v2.random>
Date:	Thu, 24 Jan 2008 15:41:51 +0100
From:	Andrea Arcangeli <andrea@...ranet.com>
To:	Christoph Lameter <clameter@....com>
Cc:	Avi Kivity <avi@...ranet.com>, Izik Eidus <izike@...ranet.com>,
	Andrew Morton <akpm@...l.org>, Nick Piggin <npiggin@...e.de>,
	kvm-devel@...ts.sourceforge.net,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	steiner@....com, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	daniel.blueman@...drics.com, holt@....com,
	Hugh Dickins <hugh@...itas.com>
Subject: Re: [kvm-devel] [PATCH] export notifier #1

On Thu, Jan 24, 2008 at 03:34:54PM +0100, Andrea Arcangeli wrote:
> set_page_dirty can be called inside ->invalidate_page if needed. But
> I'm not against artificially setting the dirty bit of the pteval
> returned by set_page_dirty, perhaps that's more efficient as it will
              ^^^^^^^^^^^^^^ ptep_clear_flush of course

> require a single locked op on the page_t.
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