Messages in this thread | | | From | Cong Wang <> | Date | Thu, 19 Jul 2018 10:12:23 -0700 | Subject | Re: [PATCH RFC/RFT net-next 00/17] net: Convert neighbor tables to per-namespace |
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On Thu, Jul 19, 2018 at 9:16 AM David Ahern <dsahern@gmail.com> wrote: > > Chatting with Nikolay about this and he brought up a good corollary - ip > fragmentation. It really is a similar problem in that memory is consumed > as a result of packets received from an external entity. The ipfrag > sysctls are per namespace with a limit that non-init_net namespaces can > not set high_thresh > the current value of init_net. Potential memory > consumed by fragments scales with the number of namespaces which is the > primary concern with making neighbor tables per namespace.
Nothing new, already discussed: https://marc.info/?l=linux-netdev&m=140391416215988&w=2
:)
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