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

From: John Fastabend <[email-masked]>
Date: Fri, 23 Dec 2016 07:54:15 -0800

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 <[email-masked]>
> Signed-off-by: Jason Wang <[email-masked]>
> ---

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 <[email-masked]>