From: Andi Kleen <andi@firstfloor.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Jonathan Campbell <jon@nerdgrounds.com>,
linux-kernel@vger.kernel.org, torvalds@transmeta.com
Subject: Re: Patches for REALLY TINY 386 kernels
Date: Wed, 18 Jul 2007 20:20:21 +0200 [thread overview]
Message-ID: <20070718182021.GA3898@one.firstfloor.org> (raw)
In-Reply-To: <469E3806.4030804@zytor.com>
On Wed, Jul 18, 2007 at 08:55:50AM -0700, H. Peter Anvin wrote:
> Andi Kleen wrote:
> >
> >> Already with these patches I can compile a zImage kernel that is 450kb
> >> large (890kb decompressed)
> >
> > The important part is not how big the vmlinux is, but how much
> > memory is actually used after boot.
> >
> > I expect concentrating some of the dynamic data structures would
> > be more fruitful in fact.
> >
>
> Well, how big the vmlinux file is matters if it doesn't fit in memory
> with enough time to get to the phase where it is dumping the init
> sections.
If you don't have enough memory for a few tens of KB of init sections
you're very unlikely to have enough memory for user space.
-Andi
next prev parent reply other threads:[~2007-07-18 18:20 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-15 21:00 Patches for REALLY TINY 386 kernels Jonathan Campbell
2007-07-15 21:42 ` Nigel Cunningham
2007-07-15 22:45 ` Alan Cox
2007-07-15 23:12 ` Nigel Cunningham
2007-07-15 23:14 ` Satyam Sharma
2007-07-15 23:13 ` Arnd Bergmann
2007-07-15 23:28 ` Satyam Sharma
2007-07-15 23:05 ` Adrian Bunk
2007-07-15 23:08 ` H. Peter Anvin
2007-07-17 10:59 ` Jan Engelhardt
2007-07-17 19:30 ` Matt Mackall
2007-07-18 2:33 ` Andi Kleen
2007-07-18 15:55 ` H. Peter Anvin
2007-07-18 18:20 ` Andi Kleen [this message]
2007-07-18 18:29 ` Jan Engelhardt
2007-07-18 18:38 ` Andi Kleen
2007-07-18 18:45 ` Jan Engelhardt
2007-07-18 18:47 ` Andi Kleen
2007-07-18 20:24 ` John Stoffel
2007-07-18 18:33 ` Adrian Bunk
2007-07-18 18:42 ` Jan Engelhardt
2007-07-18 18:44 ` Andi Kleen
2007-07-18 19:00 ` H. Peter Anvin
2007-07-21 10:09 ` Oleg Verych
2007-07-18 19:41 ` Matt Mackall
2007-07-18 19:50 ` H. Peter Anvin
2007-07-18 20:10 ` Andi Kleen
2007-07-18 20:24 ` H. Peter Anvin
2007-07-18 21:04 ` Andi Kleen
2007-07-18 22:17 ` H. Peter Anvin
2007-07-30 17:59 ` Denis Vlasenko
2007-07-18 20:41 ` Matt Mackall
2007-07-20 7:27 ` Uwe Hermann
2007-07-20 7:35 ` Andi Kleen
2007-07-24 14:49 ` Helge Hafting
2007-07-24 20:50 ` Yinghai Lu
2007-07-24 22:56 ` Adrian Bunk
2007-07-25 0:55 ` Yinghai Lu
2007-07-24 22:45 ` Willy Tarreau
[not found] <8HjYY-4Jk-15@gated-at.bofh.it>
[not found] ` <8HlxM-7iT-13@gated-at.bofh.it>
[not found] ` <8HlxL-7iT-11@gated-at.bofh.it>
[not found] ` <8HlHq-7vR-17@gated-at.bofh.it>
[not found] ` <8HlHr-7vR-25@gated-at.bofh.it>
2007-07-16 13:12 ` Bodo Eggert
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