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-rw-r--r--src/vlib/buffer.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h
index 9047ca9a648..5504bf7c90b 100644
--- a/src/vlib/buffer.h
+++ b/src/vlib/buffer.h
@@ -350,6 +350,12 @@ typedef struct vlib_buffer_free_list_t
/* Vector of free buffers. Each element is a byte offset into I/O heap. */
u32 *buffers;
+ /* global vector of free buffers, used only on main thread.
+ Bufers are returned to global buffers only in case when number of
+ buffers on free buffers list grows about threshold */
+ u32 *global_buffers;
+ clib_spinlock_t global_buffers_lock;
+
/* Memory chunks allocated for this free list
recorded here so they can be freed when free list
is deleted. */