tree 17e6ba82dbfd3e90f7728fa6b08fb01d1613168b
parent 3f23e436d241ac1cf50a659228a5a0e1e6572c1a
author Benjamin LaHaise <ben.lahaise@neterion.com> 1249381317 +0000
committer David S. Miller <davem@davemloft.net> 1249503045 -0700

vxge: prefetch skb->data

This patch implements prefetching of skb->data from a copy of the pointer
in the descriptor (which is already in the L1 cache at this point).  This
improves netperf rx performance (netperf -L 0,0 -c -H 192.168.254.2 -- -M
131072 -m 131072) by 4.9% on a P4 Xeon host.

Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com>
Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>