+ u8 need_barrier_sync = 0;
+ vlib_main_t *vm;
+ vm = vlib_get_main();
+
+ ASSERT (vm->thread_index == 0);
+
+ pool_get_aligned_will_expand (adj_pool, need_barrier_sync,
+ CLIB_CACHE_LINE_BYTES);
+ /* If the adj_pool will expand, stop the parade. */
+ if (need_barrier_sync)
+ vlib_worker_thread_barrier_sync (vm);