Jason Wang <jasow...@redhat.com> writes: > Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable > rx buffers to page frag allocators) try to increase the payload/truesize for > MTU-sized traffic. But this will introduce the extra overhead for GSO packets > received because of the frag list. This commit tries to reduce this issue by > coalesce the possible rx frags when possible during rx. Test result shows the > about 15% improvement on full size GSO packet receiving (and even better than > commit 2613af0ed18a11d5c566a81f9a6510b73180660a).
I don't know about the other users of skb_add_rx_frag, but should this coalesce-if-possible code be built into that? Thanks, Rusty. -- 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/