Messages in this thread | | | Date | Mon, 04 Nov 2013 20:04:38 -0500 (EST) | Subject | Re: [PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx | From | David Miller <> |
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From: Jason Wang <jasowang@redhat.com> Date: Fri, 1 Nov 2013 14:07:48 +0800
> 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 > before commit 2613af0ed18a11d5c566a81f9a6510b73180660a). ... > Cc: Rusty Russell <rusty@rustcorp.com.au> > Cc: Michael S. Tsirkin <mst@redhat.com> > Cc: Michael Dalton <mwdalton@google.com> > Cc: Eric Dumazet <edumazet@google.com> > Acked-by: Michael S. Tsirkin <mst@redhat.com> > Acked-by: Eric Dumazet <edumazet@google.com> > Signed-off-by: Jason Wang <jasowang@redhat.com> > --- > Changes from V2: > - call put_page() instead of depending on skb_coalesce_rx_frag()
Looks fantastic, applied, thanks Jason!
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