In the first part of this paper I will describe how I ported SE Linux to User-Mode-Linux and to the ARM CPU. I will focus on providing information that is useful to people who are porting to other platforms as well. In the second part I will describe the changes necessary to applications and security policy to run on small devices. This will be focussed on hand-held devices but can also be used for embedded applications such as router or firewall type devices, and any machine that has limited memory and storage.

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