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Message-ID: <CAM_iQpUdknc_4Hjk9ieC3mshrF20BPEhP8e=rKTRybpOadDg6w@mail.gmail.com> Date: Fri, 12 May 2017 13:58:21 -0700 From: Cong Wang <xiyou.wangcong@...il.com> To: Julian Anastasov <ja@....bg> Cc: Eric Dumazet <eric.dumazet@...il.com>, David Miller <davem@...emloft.net>, Linux Kernel Network Developers <netdev@...r.kernel.org>, Andrey Konovalov <andreyknvl@...gle.com>, Eric Dumazet <edumazet@...gle.com> Subject: Re: [Patch net] ipv4: restore rt->fi for reference counting On Fri, May 12, 2017 at 10:27 AM, Cong Wang <xiyou.wangcong@...il.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...
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