diff --git a/include/system/memory.h b/include/system/memory.h
index 1672622d70..d6d069fd50 100644
--- a/include/system/memory.h
+++ b/include/system/memory.h
@@ -144,6 +144,7 @@ struct IOMMUTLBEntry {
     hwaddr           translated_addr;
     hwaddr           addr_mask;  /* 0xfff = 4k translation */
     IOMMUAccessFlags perm;
+    uint32_t         pasid;
 };
 
 /*