buffers: major cleanup and improvements

This patch introduces following changes:
- deprecated free lists which are not used and not compatible
  with external buffer managers (i.e. DPDK)
- introduces native support for per-numa buffer pools
- significantly improves performance of buffer alloc and free

Change-Id: I4a8e723ae47056717afd6cac0efe87cb731b5be7
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 22 deletions

diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index ed1ba61a0cc..cdb4eb082b5 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -719,8 +719,6 @@ start_workers (vlib_main_t * vm)
       for (i = 0; i < vec_len (tm->registrations); i++)
 	{
 	  vlib_node_main_t *nm, *nm_clone;
-	  vlib_buffer_free_list_t *fl_clone, *fl_orig;
-	  vlib_buffer_free_list_t *orig_freelist_pool;
 	  int k;
 
 	  tr = tm->registrations[i];
@@ -883,26 +881,6 @@ start_workers (vlib_main_t * vm)
 		(vlib_mains[0]->error_main.counters_last_clear,
 		 CLIB_CACHE_LINE_BYTES);
 
-	      /* Fork the vlib_buffer_main_t free lists, etc. */
-	      orig_freelist_pool = vm_clone->buffer_free_list_pool;
-	      vm_clone->buffer_free_list_pool = 0;
-
-            /* *INDENT-OFF* */
-            pool_foreach (fl_orig, orig_freelist_pool,
-                          ({
-                            pool_get_aligned (vm_clone->buffer_free_list_pool,
-                                              fl_clone, CLIB_CACHE_LINE_BYTES);
-                            ASSERT (fl_orig - orig_freelist_pool
-                                    == fl_clone - vm_clone->buffer_free_list_pool);
-
-                            fl_clone[0] = fl_orig[0];
-                            fl_clone->buffers = 0;
-                            vec_validate(fl_clone->buffers, 0);
-                            vec_reset_length(fl_clone->buffers);
-                            fl_clone->n_alloc = 0;
-                          }));
-/* *INDENT-ON* */
-
 	      worker_thread_index++;
 	    }
 	}