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    Subject[PATCH 2/4] numa, iommu/io-pgtable-arm: Use NUMA aware memory allocation for smmu translation tables
    Date
    function __arm_lpae_alloc_pages is used to allcoated memory for smmu
    translation tables. updating function to allocate memory/pages
    from the proximity domain of SMMU device.

    Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com>
    ---
    drivers/iommu/io-pgtable-arm.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
    index e8018a3..f6d01f6 100644
    --- a/drivers/iommu/io-pgtable-arm.c
    +++ b/drivers/iommu/io-pgtable-arm.c
    @@ -215,8 +215,10 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp,
    {
    struct device *dev = cfg->iommu_dev;
    dma_addr_t dma;
    - void *pages = alloc_pages_exact(size, gfp | __GFP_ZERO);
    + void *pages;

    + pages = alloc_pages_exact_nid(dev_to_node(dev), size,
    + gfp | __GFP_ZERO);
    if (!pages)
    return NULL;

    --
    2.9.4
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