From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tim Deegan <tim@xen.org>
Subject: Re: [PATCH] x86/mem sharing: Take care of domain
	reference for shared pages
Date: Thu, 5 Apr 2012 11:09:27 +0100
Message-ID: <20120405100927.GC14774@ocelot.phlegethon.org>
References: <6a3e651ee3b6123eca9c.1333554512@xdev.gridcentric.ca>
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To: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Cc: andres@gridcentric.ca, adin@gridcentric.ca, xen-devel@lists.xen.org
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At 11:48 -0400 on 04 Apr (1333540112), Andres Lagar-Cavilla wrote:
> Making a page sharable removes it from the previous owner's list. Making it
> private adds it. These actions are similar to freeing or allocating a page.
> Except that they were not minding the domain reference that is taken/dropped
> when the first/last page is allocated/freed.
> 
> Without fixing this, a domain might remain zombie when destroyed if all its
> pages are shared.
> 
> Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>

Applied, thanks.

Tim.