This will help developers of svm devices to track a state

Signed-off-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
---
 include/exec/memory.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 0067b2266a..359bca2ae2 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -203,6 +203,7 @@ struct IOMMUNotifier {
     hwaddr start;
     hwaddr end;
     int iommu_idx;
+    void* opaque;
     QLIST_ENTRY(IOMMUNotifier) node;
 };
 typedef struct IOMMUNotifier IOMMUNotifier;
-- 
2.44.0