[patch 2/4] dmar: Allocate queued invalidation structure using numa locality info

[Suresh Siddha <suresh.b.siddha@intel.com>]

[-- Attachment #1: qi_use_affinity_info.patch --]
[-- Type: text/plain, Size: 1096 bytes --]

Allocate queued invalidation descriptor structures using numa locality info.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
---
 drivers/pci/dmar.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Index: iommu-2.6/drivers/pci/dmar.c
===================================================================
--- iommu-2.6.orig/drivers/pci/dmar.c
+++ iommu-2.6/drivers/pci/dmar.c
@@ -1040,6 +1040,7 @@ static void __dmar_enable_qi(struct inte
 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 *i
 
 	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);