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Maybe a driver > written with KHO in mind would find it useful, but that's way down the > line. Things like iommu STE/CD entires are HW specified and currently allocated from slab, so there may be something interesting there. They could also possibly be converted to page allocations.. But I think we will come up with cases where maybe a kmemcache specifically for KHO objects makes some sense. Need to get further along. Jason