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Date:      Mon, 6 Jul 2009 11:39:04 +0200
From:      Ruben de Groot <mail25@bzerk.org>
To:        Dimitry Andric <dimitry@andric.com>
Cc:        FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>, Dan Naumov <dan.naumov@gmail.com>
Subject:   Re: What is /boot/kernel/*.symbols?
Message-ID:  <20090706093904.GA79434@ei.bzerk.org>
In-Reply-To: <4A51B9FA.9010906@andric.com>
References:  <4A4E174A.1050207@andric.com> <20090703144121.GC11039@hugo10.ka.punkt.de> <4A4E1E24.3020303@andric.com> <20090703152150.GE11039@hugo10.ka.punkt.de> <20090705003834.12211k8697td2o74@webmail.private.lan> <20090706073941.GA78371@ei.bzerk.org> <20090706074256.GD6306@hugo10.ka.punkt.de> <4A51B721.5020505@andric.com> <cf9b1ee00907060141w110e36c3p5922d31b3acd1f62@mail.gmail.com> <4A51B9FA.9010906@andric.com>

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On Mon, Jul 06, 2009 at 10:46:50AM +0200, Dimitry Andric typed:
> On 2009-07-06 10:41, Dan Naumov wrote:
> > atom# uname -a
> > FreeBSD atom.localdomain 7.2-RELEASE-p1 FreeBSD 7.2-RELEASE-p1 #0: Tue
> > Jun  9 18:02:21 UTC 2009
> > root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
> > 
> > atom# du -hs /boot/kernel*
> > 205M    /boot/kernel
> 
> Right, so it's a lot bigger on amd64.  I guess those 64-bit pointers
> aren't entirely free. :)

I'm not sure where the size difference comes from. I have some sparc64
systems running -current with symbols and the size of /boot/kernel is
more comparable to i386, even with the 8-byte pointer size:

> uname -p
sparc64
> du -sk /boot/kernel
137918  /boot/kernel

> So indeed, on amd64 and possibly some other 'big' architectures (ia64?),
> cranking the default root filesystem size to e.g. 1024M would be nice.

Indeed.




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