From: Ralf Baechle <ralf@linux-mips.org>
To: Wolfgang Denk <wd@denx.de>
Cc: David Kesselring <dkesselr@mmc.atmel.com>, linux-mips@linux-mips.org
Subject: Re: snapgear and uClinux
Date: Wed, 12 Nov 2003 21:37:50 +0100 [thread overview]
Message-ID: <20031112203750.GD18124@linux-mips.org> (raw)
In-Reply-To: <20031112164810.355ECC5F59@atlas.denx.de>
On Wed, Nov 12, 2003 at 05:48:05PM +0100, Wolfgang Denk wrote:
> > processor? Did you have any unexpected suprises? Do these tools help get
> > the footprint smaller or is it easier to do something with the linux-mips
> > tree?
> If you have a MMU on your chip you should always go for the "real" Linux.
>
> Reducing the memory footprint is not so much a kernel issue but one
> of the application level - using standard tools linked against glibc
> vs. busybox with uClibc for example.
Certain mechanism such as copy on write are only possible with an MMU and
can achieve dramatic memory savings. The common believe that memory
protection results in significant overhead isn't true anymore, so
Wolfgang ist certainly right here.
Ralf
prev parent reply other threads:[~2003-11-12 20:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-12 16:36 snapgear and uClinux David Kesselring
2003-11-12 16:48 ` Wolfgang Denk
2003-11-12 20:37 ` Ralf Baechle [this message]
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