From: "Karol Swietlicki" <magotari@gmail.com>
To: Antoine Martin <antoine@nagafix.co.uk>
Cc: Jeff Dike <jdike@addtoit.com>, lanas <lanas@securenet.net>,
User-mode Linux Kernel Development
<user-mode-linux-devel@lists.sourceforge.net>
Subject: Re: [uml-devel] [uml-user] 64 bit host ?
Date: Fri, 14 Dec 2007 00:13:15 +0100 [thread overview]
Message-ID: <ea9232d10712131513l65d1a2adh1a85fba97fcda114@mail.gmail.com> (raw)
In-Reply-To: <47617E3A.2000409@nagafix.co.uk>
On 13/12/2007, Antoine Martin <antoine@nagafix.co.uk> wrote:
I follow only one list, uml-devel, so my reply is only based only on
the context that I have from this mail.
> lanas wrote:
> >>> Even then, I'm surely missing something. The Fedora Core x86_64
> >>> binary is a mere 2 MB. Shouldn't be a UML-patched kernel about the
> >>> same size ?
It is. In a way.
karol@BlackBox ~/expe $ du linux
22056 linux
karol@BlackBox ~/expe $ strip linux
karol@BlackBox ~/expe $ du linux
1868 linux
> >> Hmmm, not sure.
> >> Looks like the debug info is big indeed.
> >> The config files are available, so you should be able to figure out
> >> what makes it so fat. (frame-pointers?)
Not at all. Actually, as far as I know it is the lack of frame
pointers that makes the code bigger. Either way, it would never make
it bloat extremely.
> > On the other hand, I downloaded today the source code of kernel
> > 2.6.23-something and it was about 45 MB all in all. Hard to imagine
> > that a compiled kernel would be of the same size, no ?
> Hah, yes. thinking about it, 45MB is a tad excessive!
Not really. The debug information is really plentiful.
Add in a few libraries with static compiling and you have a
monster-sized kernel on your hands.
> Antoine
Karol Swietlicki
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prev parent reply other threads:[~2007-12-13 23:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071207182146.2b6f5176@mistral.stie>
[not found] ` <20071208040335.GA21495@c2.user-mode-linux.org>
[not found] ` <20071209212731.24bd6f01@mistral.stie>
[not found] ` <475DB98D.10001@nagafix.co.uk>
[not found] ` <20071210193441.1161c8ce@mistral.stie>
[not found] ` <475EDFA7.8020204@nagafix.co.uk>
[not found] ` <20071211195413.53b122d6@mistral.stie>
2007-12-13 18:47 ` [uml-devel] [uml-user] 64 bit host ? Antoine Martin
2007-12-13 23:13 ` Karol Swietlicki [this message]
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