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-rw-r--r--drivers/pci/intel-iommu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index dcda521..f0dade1 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -733,8 +733,8 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end)
start &= (((u64)1) << addr_width) - 1;
end &= (((u64)1) << addr_width) - 1;
/* in case it's partial page */
- start = PAGE_ALIGN(start);
- end &= PAGE_MASK;
+ start &= PAGE_MASK;
+ end = PAGE_ALIGN(end);
npages = (end - start) / VTD_PAGE_SIZE;
/* we don't need lock here, nobody else touches the iova range */