5042 stop using deprecated atomic functions

@@ -3164,11 +3164,11 @@
 kmem_reap_common(void *flag_arg)
 {
         uint32_t *flag = (uint32_t *)flag_arg;
 
         if (MUTEX_HELD(&kmem_cache_lock) || kmem_taskq == NULL ||
-            cas32(flag, 0, 1) != 0)
+            atomic_cas_32(flag, 0, 1) != 0)
                 return;
 
         /*
          * It may not be kosher to do memory allocation when a reap is called
          * is called (for example, if vmem_populate() is in the call chain).