Re: [PATCH 21/24] net, diet: Make packet tpacket/mmap/fanout/rings optional

[David Miller]

From: Andi Kleen <andi@xxxxxxxxxxxxxx>
Date: Mon,  5 May 2014 15:26:10 -0700

> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> 
> Many DHCP clients need basic packet sockets, but they don't need
> the fancy zero copy packet capture code, like tpacket, mmap, rings,
> fanouts. This is quite substantial code, so it's worthwhile to
> make it optional
> 
> Worth nearly 10k code.
> 
>    text	   data	    bss	    dec	    hex	filename
>  952827	  71874	  25352	1050053	 1005c5	net/built-in.o-with-packet-mmap
>  943211	  71810	  25352	1040373	  fdff5	net/built-in.o-wo-packet-mmap
> 
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

Sorry, I'm not applying this either.

Small systems use packet generation and reception tools commonly, and
the only sane way to do so is with tpacket.
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