diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 75a9235f7aa91f64074adf669ce9ce0cc31b7b5e..1c22e294f083be2503b76eedf4dd77f13278daa4 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -585,6 +585,10 @@ struct mm_struct {
 #ifdef CONFIG_IOMMU_SUPPORT
 		u32 pasid;
 #endif
+
+#ifdef CONFIG_MEMORY_RELIABLE
+		atomic_long_t reserve_0;
+#endif
 	} __randomize_layout;
 
 	KABI_RESERVE(1)