Hi,

On Sat, 1 Nov 2008, Nicolas Pitre wrote:

quoted text
> 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

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