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Re: [Xen-devel] Re: non-contiguous allocations
| To: | Olaf Hering <olaf@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: non-contiguous allocations |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Sat, 07 May 2011 17:31:23 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Sat, 07 May 2011 09:32:26 -0700 |
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| Thread-topic: | [Xen-devel] Re: non-contiguous allocations |
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On 07/05/2011 09:39, "Olaf Hering" <olaf@xxxxxxxxx> wrote: > On Fri, May 06, Keir Fraser wrote: > >> On 06/05/2011 19:12, "Olaf Hering" <olaf@xxxxxxxxx> wrote: > >>> Is there a way to allocate more than 128mb with repeated calls to >>> alloc_xenheap_page()? >> >> Yes it should just work. Are you sure you actually have more than 128MB >> available (not all allocated to dom0 for example)? > > Thanks Keir. xm mem-set 0 1024 did the trick. > I was under the impression dom0 would automatically get ballooned down > to make room for the allocation requests. Only when creating new domains in xend, then xend will balloon down dom0. So no, not in this case: we can hardly go run xend while we're in hypervisor context. ;-) This kind of thing is why we normally run dom0 with 'just enough' memory and don't use auto ballooning. -- Keir > Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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