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

[ Upstream commit a34f3e20dd ]

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

Fixes: a222a7f0bb ("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>
This commit is contained in:
Jacob Pan 2024-04-11 11:07:43 +08:00 committed by Greg Kroah-Hartman
parent 81f3ad644f
commit 23b57c5566
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/intel/svm.c
View File

@ -88,7 +88,7 @@ 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);