netdev - Re: Scalability of interface creation and deletion

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Message-ID: <472A3314CA89E2E5270E320A@Ximines.local>
Date:	Sat, 07 May 2011 19:38:41 +0100
From:	Alex Bligh <alex@...x.org.uk>
To:	Eric Dumazet <eric.dumazet@...il.com>
cc:	netdev@...r.kernel.org, Alex Bligh <alex@...x.org.uk>
Subject: Re: Scalability of interface creation and deletion



--On 7 May 2011 18:26:29 +0200 Eric Dumazet <eric.dumazet@...il.com> wrote:

># time rmmod dummy
>
> real	0m0.111s
> user	0m0.000s
> sys	0m0.000s
>
>
> This removed my two dummy0/dummy1 devices.

rmmod dummy even with numdummies=100 does only one synchronize_net() and
is quick (0.8ms).

-- 
Alex Bligh
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