Eric Dumazet 042a53a9e4 net: skb_shared_info optimization ... skb_dma_unmap() is quite expensive for small packets, because we use two different cache lines from skb_shared_info. One to access nr_frags, one to access dma_maps[0] Instead of dma_maps being an array of MAX_SKB_FRAGS + 1 elements, let dma_head alone in a new dma_head field, close to nr_frags, to reduce cache lines misses. Tested on my dev machine (bnx2 & tg3 adapters), nice speedup ! Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2009-06-08 00:21:48 -07:00
..
ixgb_ee.c	ixgb: update copyright dates and versions	2008-07-11 01:20:31 -04:00
ixgb_ee.h	ixgb: update copyright dates and versions	2008-07-11 01:20:31 -04:00
ixgb_ethtool.c	ixgb: update copyright dates and versions	2008-07-11 01:20:31 -04:00
ixgb_hw.c	ixgb: Use generic MDIO definitions	2009-04-29 17:32:33 -07:00
ixgb_hw.h	ixgb: Use generic MDIO definitions	2009-04-29 17:32:33 -07:00
ixgb_ids.h	ixgb: update copyright dates and versions	2008-07-11 01:20:31 -04:00
ixgb_main.c	net: skb_shared_info optimization	2009-06-08 00:21:48 -07:00
ixgb_osdep.h	drivers/net: replace BUG() with BUG_ON() if possible	2009-04-13 15:44:36 -07:00
ixgb_param.c	ixgb: update copyright dates and versions	2008-07-11 01:20:31 -04:00
ixgb.h	drivers/net: replace __FUNCTION__ with __func__	2008-09-24 18:59:00 -04:00
Makefile	ixgb: update copyright dates and versions	2008-07-11 01:20:31 -04:00