Commit a34f3e20 authored by Jacob Pan's avatar Jacob Pan Committed by Joerg Roedel
Browse files

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.

Fixes: a222a7f0 ("iommu/vt-d: Implement page request handling")
Signed-off-by: default avatarJacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240403214007.985600-1-jacob.jun.pan@linux.intel.com


Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 5b3625a4

drivers/iommu/intel/svm.c

+1 −1
Original line number Diff line number Diff line
@@ -66,7 +66,7 @@ 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);