From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 3/4] [XFRM]: Kill some bloat
Date: Mon, 07 Jan 2008 21:10:18 -0800 (PST)
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From: Andi Kleen <andi@firstfloor.org>
Date: Tue, 8 Jan 2008 06:00:07 +0100

> On Mon, Jan 07, 2008 at 07:37:00PM -0800, David Miller wrote:
> > The vast majority of them are one, two, and three liners.
> 
> % awk '  { line++ } ; /^{/ { total++; start = line } ; /^}/ { len=line-start-3; if (len > 4) l++; if (len >= 10) k++; } ; END { print total, l, l/total, k, k/total }' < include/net/tcp.h
> 68 28 0.411765 20 0.294118
> 
> 41% are over 4 lines, 29% are >= 10 lines.

Take out the comments and whitespace lines, your script is
too simplistic.