Re: [PATCH 0/4] numa, iommu/smmu: IOMMU/SMMU driver optimization for NUMA systems

[John Garry]

On 21/09/2017 09:59, Ganapatrao Kulkarni wrote:
> Adding numa aware memory allocations used for iommu dma allocation and
> memory allocated for SMMU stream tables, page walk tables and command queues.
>
> With this patch, iperf testing on ThunderX2, with 40G NIC card on
> NODE 1 PCI shown same performance(around 30% improvement) as NODE 0.
>
> Ganapatrao Kulkarni (4):
>   mm: move function alloc_pages_exact_nid out of __meminit
>   numa, iommu/io-pgtable-arm: Use NUMA aware memory allocation for smmu
>     translation tables
>   iommu/arm-smmu-v3: Use NUMA memory allocations for stream tables and
>     comamnd queues
>   iommu/dma, numa: Use NUMA aware memory allocations in
>     __iommu_dma_alloc_pages
>
>  drivers/iommu/arm-smmu-v3.c    | 57 +++++++++++++++++++++++++++++++++++++-----
>  drivers/iommu/dma-iommu.c      | 17 +++++++------
>  drivers/iommu/io-pgtable-arm.c |  4 ++-
>  include/linux/gfp.h            |  2 +-
>  mm/page_alloc.c                |  3 ++-
>  5 files changed, 67 insertions(+), 16 deletions(-)

Hi Ganapatrao,

Have you any plans for further work on this patchset? I have not seen 
anything since this v1 was posted+discussed.

Thanks,
John

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