[PATCH 2/4] numa, iommu/io-pgtable-arm: Use NUMA aware memory allocation for smmu translation tables

[Ganapatrao Kulkarni]

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.kulka...@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