skge: rearrange fields

Do some minor rearrangement of data structures to try and optimize
cache usage.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/skge.h b/drivers/net/skge.h
index 3b16597..edd7146 100644 (file)
--- a/drivers/net/skge.h
+++ b/drivers/net/skge.h
@@ -2446,15 +2446,15 @@ enum pause_status {
 
 
 struct skge_port {
-       u32                  msg_enable;
        struct skge_hw       *hw;
        struct net_device    *netdev;
        int                  port;
+       u32                  msg_enable;
 
        struct skge_ring     tx_ring;
-       struct skge_ring     rx_ring;
 
-       struct net_device_stats net_stats;
+       struct skge_ring     rx_ring ____cacheline_aligned_in_smp;
+       unsigned int         rx_buf_size;
 
        struct timer_list    link_timer;
        enum pause_control   flow_control;
@@ -2470,7 +2470,8 @@ struct skge_port {
        void                 *mem;      /* PCI memory for rings */
        dma_addr_t           dma;
        unsigned long        mem_size;
-       unsigned int         rx_buf_size;
+
+       struct net_device_stats net_stats;
 };