diff --git a/include/villas/memory.h b/include/villas/memory.h
index 616377d20..d1829f71a 100644
--- a/include/villas/memory.h
+++ b/include/villas/memory.h
@@ -81,6 +81,8 @@ void * memory_alloc_aligned(struct memory_type *m, size_t len, size_t alignment)
 
 int memory_free(void *ptr);
 
+struct memory_allocation * memory_get_allocation(void *ptr);
+
 #ifdef __cplusplus
 }
 #endif