Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1546903
| From | John Fastabend <john.fastabend@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing |
| Date | 2016-12-23 17:00 +0100 |
| Message-ID | <sRAqe-kn-37@gated-at.bofh.it> (permalink) |
| References | <sRzaN-833-3@gated-at.bofh.it> <sRzaO-833-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 16-12-23 06:37 AM, Jason Wang wrote: > We don't put page during linearizing, the would cause leaking when > xmit through XDP_TX or the packet exceeds PAGE_SIZE. Fix them by > put page accordingly. Also decrease the number of buffers during > linearizing to make sure caller can free buffers correctly when packet > exceeds PAGE_SIZE. With this patch, we won't get OOM after linearize > huge number of packets. > > Cc: John Fastabend <john.r.fastabend@intel.com> > Signed-off-by: Jason Wang <jasowang@redhat.com> > --- Thanks! looks good. By the way do you happen to have any actual configuration where this path is hit? I obviously didn't test this very long other than a quick test with my hacked vhost driver. Acked-by: John Fastabend <john.r.fastabend@intel.com>
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing Jason Wang <jasowang@redhat.com> - 2016-12-23 15:40 +0100
Re: [PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing John Fastabend <john.fastabend@gmail.com> - 2016-12-23 17:00 +0100
Re: [PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing Jason Wang <jasowang@redhat.com> - 2016-12-26 03:40 +0100
csiph-web