--- src/sys/kern/kern_slaballoc.c	2007/06/07 20:34:14	1.50
+++ src/sys/kern/kern_slaballoc.c	2007/11/18 09:53:19	1.51
@@ -293,6 +293,11 @@ malloc_uninit(void *data)
     if (type->ks_limit == 0)
 	panic("malloc_uninit on uninitialized type");
 
+#ifdef SMP
+    /* Make sure that all pending kfree()s are finished. */
+    lwkt_synchronize_ipiqs("muninit");
+#endif
+
 #ifdef INVARIANTS
     /*
      * memuse is only correct in aggregation.  Due to memory being allocated