--- libmalloc/libmalloc-792.1.1/src/base.h
+++ libmalloc/libmalloc-792.60.6/src/base.h
@@ -210,6 +210,10 @@
 // See malloc_implementation.h
 // MALLOC_MSL_LITE_WRAPPED_ZONE_FLAGS == (1 << 10)
 
+#if CONFIG_MTE
+// allocate objects such that they can be MTE-tagged
+#define MALLOC_MTE_TAGGABLE (1 << 11)
+#endif
 
 /*
  * These commpage routines provide fast access to the logical cpu number