linux-kernel - linux kernel without file system

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Message-ID: <20090114083024.GA30573@frolo.macqel>
Date:	Wed, 14 Jan 2009 09:30:24 +0100
From:	Philippe De Muyter <phdm@...qel.be>
To:	linux-kernel@...r.kernel.org
Subject: linux kernel without file system

Hello list,

I need to design a very small embedded system that must only control
one ethernet port and two serial lines and must fit in a very small flash
memory.  So I thought about replacing the call to /etc/init by my application
program and removing all the file-system part of linux.

Is that doable ?

Is there a 'standard' way of doing that ?

The first problem I see is accessing my serial lines.  How could I do that
without using open("/dev/ttySx"), which requires a file system ?

Is there a way to access devices that does not require a file-system ?

Thanks for reading this far

Philippe
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