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authorJacob Pan <jacob.jun.pan@linux.intel.com>2024-04-11 06:07:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-04-17 12:18:26 +0300
commit5f1205b86bd0419beb246156945b9e6ac3b43afa (patch)
tree3cace8a006ee5f47175fd7ec956d24e9d3b4a605
parent91580ea48b6dc32c236eecbdcb64ecd20fea3f6b (diff)
downloadlinux-5f1205b86bd0419beb246156945b9e6ac3b43afa.tar.xz
iommu/vt-d: Allocate local memory for page request queue
[ Upstream commit a34f3e20ddff02c4f12df2c0635367394e64c63d ] The page request queue is per IOMMU, its allocation should be made NUMA-aware for performance reasons. Fixes: a222a7f0bb6c ("iommu/vt-d: Implement page request handling") Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/20240403214007.985600-1-jacob.jun.pan@linux.intel.com Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/iommu/intel/svm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index 03b25358946c..cb862ab96873 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -71,7 +71,7 @@ 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);