On Thu, Sep 20, 2018 at 1:58 AM Li RongQing <lirongq...@baidu.com> wrote: > > if skb->head is vmalloc address, when this skb is delivered, full > allocation for this skb is required, if there are many devices, > the full allocation will be called for every devices
So why do you in practice need many netlink tap devices? tap devices are now isolated in each netns, so at max you need one tap device per netns in practice.
