On Fri, May 12, 2017 at 10:27 AM, Cong Wang <xiyou.wangc...@gmail.com> wrote: > Or maybe don't touch nh_oif but using a new flag in > nh_flags?? We only need to know if we should call > dev_put() in free_fib_info_rcu(). > > Again, I am still not sure if it is any better than just > putting these fib_nh into a linked list. >
I am afraid we have to use a linked list, because either a flag or nh_oif is per nh, but one nh could have multiple different nh_devs...