patch as-lock-macro-simplification

@@ -1531,16 +1531,16 @@
         }
 
         ASSERT(entities != NULL);
         /* process all segs in process's address space */
         as = p->p_as;
-        AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
+        AS_LOCK_ENTER(as, RW_READER);
         for (seg = AS_SEGFIRST(as); seg != NULL;
             seg = AS_SEGNEXT(as, seg)) {
                 vmu_calculate_seg(entities, seg);
         }
-        AS_LOCK_EXIT(as, &as->a_lock);
+        AS_LOCK_EXIT(as);
 }
 
 /*
  * Free data created by previous call to vmu_calculate().
  */