From: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Date: Fri, 29 Jan 2010 23:50:04 +1030 > From: Shirley Ma <mashirle@xxxxxxxxxx> > > virtio_net receives packets from its pre-allocated vring buffers, then it > delivers these packets to upper layer protocols as skb buffs. So it's not > necessary to pre-allocate skb for each mergable buffer, then frees extra > skbs when buffers are merged into a large packet. This patch has deferred > skb allocation in receiving packets for both big packets and mergeable buffers > to reduce skb pre-allocations and skb frees. It frees unused buffers by calling > detach_unused_buf in vring, so recv skb queue is not needed. > > Signed-off-by: Shirley Ma <xma@xxxxxxxxxx> > Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Applied. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
