* [PATCH net-next 05/10] tg3: Reorg tg3_napi members
@ 2010-11-24 18:31 Matt Carlson
0 siblings, 0 replies; only message in thread
From: Matt Carlson @ 2010-11-24 18:31 UTC (permalink / raw)
To: davem; +Cc: netdev, andy, mcarlson
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>
---
drivers/net/tg3.h | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 4107036..2938d18 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;
--
1.7.2.2
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2010-11-24 18:31 [PATCH net-next 05/10] tg3: Reorg tg3_napi members Matt Carlson
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