Messages in this thread Patch in this message | | | From | Jacob Pan <> | Subject | [PATCH] iommu/vt-d: Allocate local memory for page request queue | Date | Wed, 3 Apr 2024 14:40:07 -0700 |
| |
The page request queue is per IOMMU, its allocation should be made NUMA-aware for performance reasons.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> --- drivers/iommu/intel/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index c1bed89b1026..ee3b469e2da1 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -66,7 +66,7 @@ int intel_svm_enable_prq(struct intel_iommu *iommu) struct page *pages; int irq, ret; - pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, PRQ_ORDER); + pages = alloc_pages_node(iommu->node, GFP_KERNEL | __GFP_ZERO, PRQ_ORDER); if (!pages) { pr_warn("IOMMU: %s: Failed to allocate page request queue\n", iommu->name); -- 2.25.1
| |