extern void checkHeap ( bdescr *bd );
extern void checkHeapChunk ( StgPtr start, StgPtr end );
extern void checkChain ( bdescr *bd );
extern void checkHeap ( bdescr *bd );
extern void checkHeapChunk ( StgPtr start, StgPtr end );
extern void checkChain ( bdescr *bd );
extern void checkTSO ( StgTSO* tso );
extern void checkGlobalTSOList ( rtsBool checkTSOs );
extern void checkStaticObjects ( StgClosure* static_objects );
extern void checkStackChunk ( StgPtr sp, StgPtr stack_end );
extern void checkTSO ( StgTSO* tso );
extern void checkGlobalTSOList ( rtsBool checkTSOs );
extern void checkStaticObjects ( StgClosure* static_objects );
extern void checkStackChunk ( StgPtr sp, StgPtr stack_end );
-extern void checkMutableList ( StgMutClosure *p, nat gen );
-extern void checkMutOnceList ( StgMutClosure *p, nat gen );
+extern void checkMutableList ( bdescr *bd, nat gen );