[PATCH 2/4] numa, iommu/io-pgtable-arm: Use NUMA aware memory allocation for smmu translation tables
From: Ganapatrao Kulkarni <hidden>
Date: 2017-09-21 09:00:18
Also in:
linux-iommu, linux-mm, lkml
Subsystem:
arm smmu drivers, iommu subsystem, the rest · Maintainers:
Will Deacon, Joerg Roedel, Linus Torvalds
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 <redacted> --- 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