| Date | Tue, 2 Jun 2015 10:54:49 +1000 | From | David Gibson <> | Subject | Re: [PATCH kernel v11 30/34] powerpc/iommu/ioda2: Add get_table_size() to calculate the size of future table |
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On Fri, May 29, 2015 at 06:44:54PM +1000, Alexey Kardashevskiy wrote: > This adds a way for the IOMMU user to know how much a new table will > use so it can be accounted in the locked_vm limit before allocation > happens. > > This stores the allocated table size in pnv_pci_ioda2_get_table_size() > so the locked_vm counter can be updated correctly when a table is > being disposed. > > This defines an iommu_table_group_ops callback to let VFIO know > how much memory will be locked if a table is created. > > Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
-- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson [unhandled content-type:application/pgp-signature] |