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Message-ID: <585D48A7.3040701@gmail.com> Date: Fri, 23 Dec 2016 07:54:15 -0800 From: John Fastabend <john.fastabend@...il.com> To: Jason Wang <jasowang@...hat.com>, mst@...hat.com, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Cc: john.r.fastabend@...el.com Subject: Re: [PATCH net 3/9] virtio-net: fix page miscount during XDP linearizing 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@...el.com> > Signed-off-by: Jason Wang <jasowang@...hat.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@...el.com>
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