On Thu, Sep 06, 2018 at 12:05:17PM +0800, Jason Wang wrote: > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> any idea why didn't we do this straight away? > --- > drivers/net/tun.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/net/tun.c b/drivers/net/tun.c > index 2c548bd20393..d3677a544b56 100644 > --- a/drivers/net/tun.c > +++ b/drivers/net/tun.c > @@ -113,7 +113,6 @@ do { \ > } while (0) > #endif > > -#define TUN_HEADROOM 256 > #define TUN_RX_PAD (NET_IP_ALIGN + NET_SKB_PAD) > > /* TUN device flags */ > @@ -1654,7 +1653,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, > rcu_read_lock(); > xdp_prog = rcu_dereference(tun->xdp_prog); > if (xdp_prog) > - pad += TUN_HEADROOM; > + pad += XDP_PACKET_HEADROOM; > buflen += SKB_DATA_ALIGN(len + pad); > rcu_read_unlock(); > > -- > 2.17.1