What prevent a user process from writing to arbitrary memory

Hi All,

What prevent a user process from writing to arbitrary memory
locations?


Thanks

Jeff

zhefu.fan@gmail.com (Jeff) writes:

> Hi All,
>
> What prevent a user process from writing to arbitrary memory
> locations?

The MMU.

--
Måns Rullgård
mru@inprovide.com

Jeff wrote:
> Hi All,
>
> What prevent a user process from writing to arbitrary memory
> locations?
The kernels policy for memory management, with a great help
from hardware(the MMU).

--
Nils O. Selåsdal
www.utelsystems.com