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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Alfred Perlstein <bright@mu.org>
Subject: Re: GSOC 2013 project " Kernel Size Reduction for Embedded System
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Cc: freebsd-hackers@freebsd.org, Amit Rawat <aamitr4@gmail.com>
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>> And yes FreeBSD kernel is huge. doesn't really matter with 1GB or more RAM 
>> but yes - it is huge even relative to linux.
>
> Ah, any insight as to why?
my custom compiled kernel:

-r-xr-xr-x  1 root  wheel  8791402  6 kwi 22:08 /boot//kernel/kernel

only with features i need. linux is AFAIK like 3-4MB uncompressed.