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Date: Tue, 21 Jul 2015 15:11:28 +1000
From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: linuxppc-dev@lists.ozlabs.org, Michael Ellerman <mpe@ellerman.id.au>,
 Paul Mackerras <paulus@samba.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH kernel] powerpc/powernv/ioda2: Fix calculation for memory
 allocated for TCE table
Message-ID: <20150721051128.GL19189@voom.fritz.box>
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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.
>=20
> This adds an additional counter to pnv_pci_ioda2_table_do_alloc_pages()
> to count actually allocated memory.
>=20
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

--=20
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

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