Hi, On Sat, 1 Nov 2008, Nicolas Pitre wrote: > Again, please have a look at include/linux/err.h. The pointer range > from 0xffffffff (or 0xffffffffffffffff on 64-bit machines) down to the > range you want is for errors, and the top of the address range is almost > certain to never be valid in user space either. How certain may I be of that assumption? Because an assumption it is. Ciao, Dscho -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html