patch as-lock-macro-simplification

@@ -645,11 +645,11 @@
     struct cred *cr, caller_context_t *ct)
 {
         page_t *pp;
 
         ASSERT(len == PAGESIZE);
-        ASSERT(AS_READ_HELD(seg->s_as, &seg->s_as->a_lock));
+        ASSERT(AS_READ_HELD(seg->s_as));
 
         /*
          * If the page is in the hash, then we successfully claimed this
          * page earlier, so return it to the caller.
          */