>In _many_ places we do the jiffies handling correctly. Not in every place,
>though (or even most places).
What about adding an option 'Test jiffie wraparound' to the
'kernel hacking' section of the configuration? This could be used
to set that jiffies wrap around (configurable via a boot option,
for example). I'm sure there are people who would like to try this
out :-)