[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] PoD: Handle operations properly when domain is dying
On 11/11/2009 16:53, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote: >> So as long as the tools don't tell a VM to change its memory between >> deciding there's enough memory for the new domain and >> creating the new >> domain, you shouldn't have any problems. > > BUT, PoD is essentially doing dynamic ballooning without > notifying the tools, correct? Unless I misunderstand, the > whole point of PoD is to not use zeroed-out-by-Windows > memory until it gets written (with non-zeroes), and the > underlying objective is that that not-yet-used memory can > be used for other purposes -- such as other domains. The main point is to be able to start a domain with less memory than it thinks it has, so it can be ballooned up (under tools control) later. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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