dmar: Allocate queued invalidation structure using numa locality info

Allocate queued invalidation descriptor structures using numa locality info.
Signed-off-by: NSuresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

drivers/pci/dmar.c

@@ -1040,6 +1040,7 @@ static void __dmar_enable_qi(struct intel_iommu *iommu)
 int dmar_enable_qi(struct intel_iommu *iommu)
 {
 	struct q_inval *qi;
+	struct page *desc_page;
 
 	if (!ecap_qis(iommu->ecap))
 		return -ENOENT;
@@ -1056,13 +1057,16 @@ int dmar_enable_qi(struct intel_iommu *iommu)
 
 	qi = iommu->qi;
 
-	qi->desc = (void *)(get_zeroed_page(GFP_ATOMIC));
-	if (!qi->desc) {
+
+	desc_page = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO, 0);
+	if (!desc_page) {
 		kfree(qi);
 		iommu->qi = 0;
 		return -ENOMEM;
 	}
 
+	qi->desc = page_address(desc_page);
+
 	qi->desc_status = kmalloc(QI_LENGTH * sizeof(int), GFP_ATOMIC);
 	if (!qi->desc_status) {
 		free_page((unsigned long) qi->desc);