Messages in this thread | | | Date | Fri, 8 Jun 2007 15:55:05 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [Intel-IOMMU 02/10] Library routine for pre-allocat pool handling |
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On Fri, 8 Jun 2007, Keshavamurthy, Anil S wrote:
> > What functionality are you missing in the page allocator? It seems that is > > does what you want? > Humm..I basically want to allocate memory during interrupt context and > expect not to fail. I know this is a hard requirement :)
The page allocator can do that for you. The reserves are configurable. Not failing is a thing unseen in the computer world.
> I want to be able to reserve certain amount of memory specifically for > IOMMU purpose.
That is of course a problem unless you allocate memory beforehand. Mempool?
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