iommu/vt-d: Allocate local memory for page request queue

The page request queue is per IOMMU, its allocation should be made NUMA-aware for performance reasons.

Jacob Pan committed 2 years ago

Commit a34f3e21 parent 5b3625a1 file · +1 −1Browse files

Unified · Split

@@ -66,7 +66,7 @@ int intel_svm_enable_prq(struct intel_iommu *iommu) · 65 unmodified lines
66	66	struct page *pages;
67	67	int irq, ret;
68	68
69		− pages = alloc_pages(GFP_KERNEL \| __GFP_ZERO, PRQ_ORDER);
	69	+ pages = alloc_pages_node(iommu->node, GFP_KERNEL \| __GFP_ZERO, PRQ_ORDER);
70	70	if (!pages) {
71	71	pr_warn("IOMMU: %s: Failed to allocate page request queue\n",
72	72	iommu->name);

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