The network protocol used to communicate with the host is the remote ndis (rndis) protocol. We need to decorate each outgoing packet with a rndis header and additional rndis state (rndis per-packet state). To manage this state, we currently allocate memory in the transmit path. Eliminate this allocation by requesting additional head room in the skb.
K. Y. Srinivasan (2): hyperv: Cleanup the test for freeing skb when we use sendbuf mechanism hyperv: Eliminate memory allocation in the packet send path drivers/net/hyperv/hyperv_net.h | 3 +- drivers/net/hyperv/netvsc.c | 9 ++++- drivers/net/hyperv/netvsc_drv.c | 70 ++++++++++++++++++++++++++---------- drivers/net/hyperv/rndis_filter.c | 2 + 4 files changed, 61 insertions(+), 23 deletions(-) -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/