extern StgOffset checkStackFrame ( StgPtr sp );
extern StgOffset checkClosure ( StgClosure* p );
-extern void checkMutableList ( StgMutClosure *p, nat gen );
-extern void checkMutOnceList ( StgMutClosure *p, nat gen );
+extern void checkMutableList ( bdescr *bd, nat gen );
#if defined(GRAN)
extern void checkTSOsSanity(void);