| > Will this also work with machines which have stacks that grow
| > up instead of stacks that grow down?
|
| such a machine will need a grow-up version of kstack_check_magic().
| is there any such archs in tree now?
| the name KSTACK_END might not be so good for such archs...

Yes, the aforementioned hppa port has a stack that grows up.

Eduardo