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authorDamjan Marion <damarion@cisco.com>2017-11-23 17:27:05 +0100
committerNeale Ranns <nranns@cisco.com>2017-11-23 17:36:25 +0000
commit63118b1afd58501377684b800dc86326a3c6038e (patch)
treedc79c282150598b138235f9bd2c6203a59310e07
parente9890ba546876aca343ae676b3c8f3c8d210829d (diff)
dpdk: prefetch both cachelines during buffer free
Change-Id: I4ae65494b8f9bc51521add5e66a51b594aad6716 Signed-off-by: Damjan Marion <damarion@cisco.com>
-rw-r--r--src/plugins/dpdk/buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/dpdk/buffer.c b/src/plugins/dpdk/buffer.c
index 293fb6cba27..baa190df4c4 100644
--- 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);
}