From 07ae8fc00bcc97d2f896b257da225a0789b0aa5d Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Wed, 24 Nov 2010 08:31:49 +0000
Subject: [PATCH] tg3: Reorg tg3_napi members
This patch reorders and realigns the tg3_napi members for a ~3-4%
performance improvement on small packet performance tests.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/tg3.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 410703684e39..2938d18d12f7 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2715,17 +2715,17 @@ struct tg3_napi {
u32 last_irq_tag;
u32 int_mbox;
u32 coal_now;
- u32 tx_prod;
- u32 tx_cons;
- u32 tx_pending;
- u32 prodmbox;
- u32 consmbox;
+ u32 consmbox ____cacheline_aligned;
u32 rx_rcb_ptr;
u16 *rx_rcb_prod_idx;
struct tg3_rx_prodring_set prodring;
-
struct tg3_rx_buffer_desc *rx_rcb;
+
+ u32 tx_prod ____cacheline_aligned;
+ u32 tx_cons;
+ u32 tx_pending;
+ u32 prodmbox;
struct tg3_tx_buffer_desc *tx_ring;
struct ring_info *tx_buffers;
--
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