Re: [PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing

2016-12-25 Thread Jason Wang
On 2016年12月23日 23:54, John Fastabend wrote: 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 t

Re: [PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing

2016-12-23 Thread John Fastabend
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 corre

[PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing

2016-12-23 Thread Jason Wang
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 pa