Re: [Xen-devel] checkLiveMigrateMemory() insufficient?

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

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



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