From: "Jan Beulich" <JBeulich@novell.com>
To: xen-devel@lists.xensource.com
Subject: Re: treatment grant frames during save/restore
Date: Thu, 27 May 2010 16:37:34 +0100 [thread overview]
Message-ID: <4BFEADDE0200007800004455@vpn.id2.novell.com> (raw)
In-Reply-To: <4BFEAB750200007800004444@vpn.id2.novell.com>
>>> On 27.05.10 at 17:27, "Jan Beulich" <JBeulich@novell.com> wrote:
> From what I can tell, grant frames get no special treatment by the tools
> during save, and hence get treated as normal memory during restore.
> If that's correct, it would seem that there's an accounting issue, since
> during restore a normal RAM page will be allocated by the tools for each
> grant frame, hence a domain that prior to save was below its limit
> could now end up crossing that limit, and thus unexpectedly fail to
> restore. If that's not a possibility, what am I missing?
Ooops, just noticed that I didn't say explicitly that this is for HVM
guests.
Thanks, Jan
next prev parent reply other threads:[~2010-05-27 15:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-27 15:27 treatment grant frames during save/restore Jan Beulich
2010-05-27 15:37 ` Jan Beulich [this message]
2010-05-27 15:50 ` Dan Magenheimer
2010-05-27 16:02 ` Keir Fraser
2010-05-28 8:01 ` Jan Beulich
2010-05-28 8:22 ` Keir Fraser
2010-05-31 14:58 ` Jan Beulich
2010-05-31 15:29 ` Keir Fraser
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