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Date:	Mon, 17 Sep 2007 20:52:05 +0200
From:	Daniel Lezcano <>
To:	Stephen Hemminger <>
	"Eric W. Biederman" <>,,,
	Benjamin Thery <>
Subject: Re: [net-2.6.24][patch 2/2] Dynamically allocate the loopback device

Stephen Hemminger wrote:
> On Mon, 17 Sep 2007 15:45:11 +0200
> wrote:
>> From: Daniel Lezcano <>
>> Doing this makes loopback.c a better example of how to do a
>> simple network device, and it removes the special case
>> single static allocation of a struct net_device, hopefully
>> making maintenance easier.
> What is before/after code and data size, does it make code smaller?

Interesting question, here are the results based on the same config file.

Without the patchset:

    text    data     bss     dec     hex filename
2446606  188243  163840 2798689  2ab461 vmlinux

    text    data     bss     dec     hex filename
     417    1040       8    1465     5b9 drivers/net/loopback.o

With the patchset:

    text    data     bss     dec     hex filename
2446853  187187  163840 2797880  2ab138 ./vmlinux

    text    data     bss     dec     hex filename
     609       4      12     625     271 drivers/net/loopback.o

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