dpdk: prefetch both cachelines during buffer free

Change-Id: I4ae65494b8f9bc51521add5e66a51b594aad6716
Signed-off-by: Damjan Marion <damarion@cisco.com>

diff --git a/src/plugins/dpdk/buffer.c b/src/plugins/dpdk/buffer.c
index 293fb6c..baa190d 100644 (file)
--- a/src/plugins/dpdk/buffer.c
+++ b/src/plugins/dpdk/buffer.c
@@ -363,7 +363,7 @@ dpdk_prefetch_buffer_by_index (vlib_main_t * vm, u32 bi)
   struct rte_mbuf *mb;
   b = vlib_get_buffer (vm, bi);
   mb = rte_mbuf_from_vlib_buffer (b);
-  CLIB_PREFETCH (mb, CLIB_CACHE_LINE_BYTES, STORE);
+  CLIB_PREFETCH (mb, 2 * CLIB_CACHE_LINE_BYTES, STORE);
   CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD);
 }