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authorSuresh Siddha <suresh.b.siddha@intel.com>2009-10-02 11:01:22 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-10-05 07:55:26 +0100
commit751cafe3aeceb9ff887c97237f6daaf596c9e547 (patch)
tree810ea3e51dd942afb850e3523b97d61f296dcff0 /drivers/pci
parentee34b32d8c2950f66038c8975747ef9aec855289 (diff)
downloadop-kernel-dev-751cafe3aeceb9ff887c97237f6daaf596c9e547.zip
op-kernel-dev-751cafe3aeceb9ff887c97237f6daaf596c9e547.tar.gz
dmar: Allocate queued invalidation structure using numa locality info
Allocate queued invalidation descriptor structures using numa locality info. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/dmar.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 5779565..63aa529 100644
--- a/drivers/pci/dmar.c
+++ b/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);
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