Re: [Xen-devel] [RFC][PATCH] 0/9 Populate-on-demand memory

["George Dunlap" <George.Dunlap@xxxxxxxxxxxxx>]

On Wed, Dec 24, 2008 at 3:35 PM, Dan Magenheimer
<dan.magenheimer@xxxxxxxxxx> wrote:
>> We could to allocate a new page at that point; but it's likely that
>> the allocation will fail unless there happens to be memory lying
>> around somewhere, not used by dom0 or any other doamin.  And if that
>> were the case, why not just start it with that much memory to begin
>> with?
>
> Actually, if dom0_mem is used rather than the default of letting
> domain0 absorb all free memory and dole it as needed to launching
> VMs, there will almost always be some memory lying around.

At any rate, I suppose it might not be a bad idea to *try* to allocate
more memory in an emergency.  I'll add that to the list of
improvements.

 -George

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