lkml.org 
[lkml]   [2018]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH RFC/RFT net-next 00/17] net: Convert neighbor tables to per-namespace
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

:)

\
 
 \ /
  Last update: 2018-07-19 19:11    [W:0.155 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site