Jiffies Wraparound (was Re: interrupt counts)

mlord (mlord@pobox.com)
Mon, 19 Aug 1996 21:57:35 -0400

Jon Lewis wrote:
> Just out of curiosity, what's going to happen in about 2 months when my
> irq 11 counter hits 4294967296? Will it happily wrap, or are things
> likely to get upset?

The one that really worries me is having the "jiffies" wrap around,
an event which will happen every 17 months or so on production systems.

A *lot* of the kernel will malfunction when that happens.