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Re: [Xen-devel] checkLiveMigrateMemory() insufficient?
| To: | John Levon <levon@xxxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] checkLiveMigrateMemory() insufficient? |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 01 Oct 2008 17:22:57 +0100 |
| Cc: | Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx> |
| Delivery-date: | Wed, 01 Oct 2008 09:23:37 -0700 |
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| Thread-topic: | [Xen-devel] checkLiveMigrateMemory() insufficient? |
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On 1/10/08 17:17, "John Levon" <levon@xxxxxxxxxxxxxxxxx> wrote: > So we have 12Mb free from physinfo, and we're trying to allocate 6Mb plus some > other smaller allocations. I suspect the issue is one of fragmentation of the > heap? That is, no allocations of order SHADOW_MAX_ORDER could be found? > > Does the linux balloon handler free in page-sized increments like Solaris > currently does? > > Is there a better way to handle this? It'd be nice if the shadow code didn't need order >0 allocations. I don't know if that is likely to change, or how easy it would be, however. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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