vlib: don't use vector for keeping buffer indices in the pool

[vpp.git] / src / vlib / buffer.h

diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h
index c8761af..c2ca821 100644 (file)
--- a/src/vlib/buffer.h
+++ b/src/vlib/buffer.h
@@ -411,12 +411,15 @@ vlib_buffer_pull (vlib_buffer_t * b, u8 size)
 /* Forward declaration. */
 struct vlib_main_t;
 
+#define VLIB_BUFFER_POOL_PER_THREAD_CACHE_SZ 512
+
 typedef struct
 {
   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-  u32 *cached_buffers;
-  u32 n_alloc;
+  u32 cached_buffers[VLIB_BUFFER_POOL_PER_THREAD_CACHE_SZ];
+  u32 n_cached;
 } vlib_buffer_pool_thread_t;
+
 typedef struct
 {
   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -428,6 +431,7 @@ typedef struct
   u32 physmem_map_index;
   u32 data_size;
   u32 n_buffers;
+  u32 n_avail;
   u32 *buffers;
   u8 *name;
   clib_spinlock_t lock;