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Re: [Xen-devel] [RFC][PATCH] 0/9 Populate-on-demand memory
| To: | "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [RFC][PATCH] 0/9 Populate-on-demand memory |
| From: | "George Dunlap" <George.Dunlap@xxxxxxxxxxxxx> |
| Date: | Wed, 24 Dec 2008 15:46:00 +0000 |
| Cc: | "Tian, Kevin" <kevin.tian@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 24 Dec 2008 07:46:25 -0800 |
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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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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