Messages in this thread | | | Date | Tue, 21 Jul 2015 15:11:28 +1000 | From | David Gibson <> | Subject | Re: [PATCH kernel] powerpc/powernv/ioda2: Fix calculation for memory allocated for TCE table |
| |
On Mon, Jul 20, 2015 at 08:45:51PM +1000, Alexey Kardashevskiy wrote: > The existing code stores the amount of memory allocated for a TCE table. > At the moment it uses @offset which is a virtual offset in the TCE table > which is only correct for a one level tables and it does not include > memory allocated for intermediate levels. When multilevel TCE table is > requested, WARN_ON in tce_iommu_create_table() prints a warning. > > This adds an additional counter to pnv_pci_ioda2_table_do_alloc_pages() > to count actually allocated memory. > > 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] | |