diff --git "a/source/_posts/linux/\345\206\205\346\240\270-\351\251\261\345\212\250/dma/iommu\346\265\201\347\250\213.md" "b/source/_posts/linux/\345\206\205\346\240\270-\351\251\261\345\212\250/dma/iommu\346\265\201\347\250\213.md"
index 4901e4d..c21099d 100644
--- "a/source/_posts/linux/\345\206\205\346\240\270-\351\251\261\345\212\250/dma/iommu\346\265\201\347\250\213.md"
+++ "b/source/_posts/linux/\345\206\205\346\240\270-\351\251\261\345\212\250/dma/iommu\346\265\201\347\250\213.md"
@@ -2,4 +2,5 @@ pci_map_single
     dma_map_single_attrs
         ops->map_page -> intel_map_page
             __intel_map_single
+                intel_alloc_iova