netdev - Re: [PATCH net-next v2] ipv4: avoid quadratic behavior in FIB insertion of common address

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Message-ID: <CANn89iKg6J6=MZSLUy6odZSSddJvPyJRSz079pidDxDa1Yu-Uw@mail.gmail.com>
Date: Wed, 2 Oct 2024 10:38:11 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: Alexandre Ferrieux <alexandre.ferrieux@...il.com>
Cc: alexandre.ferrieux@...nge.com, nicolas.dichtel@...nd.com, 
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] ipv4: avoid quadratic behavior in FIB
 insertion of common address

On Wed, Oct 2, 2024 at 1:14 AM Alexandre Ferrieux
<alexandre.ferrieux@...il.com> wrote:
>
> Mix netns into all IPv4 FIB hashes to avoid massive collision when
> inserting the same address in many netns.
>
> Signed-off-by: Alexandre Ferrieux <alexandre.ferrieux@...nge.com>
> ---

Reviewed-by: Eric Dumazet <edumazet@...gle.com>

I guess we will have to use per-netns hash tables soon anyway.