Messages in this thread | | | Subject | Re: [PATCH] make jiffies wrap 5 min after boot | From | Andi Kleen <> | Date | 16 Feb 2003 07:36:26 +0100 |
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Anton Blanchard <anton@samba.org> writes:
> Hi, > > > +#define INITIAL_JIFFIES (0xffffffffUL & (unsigned long)(-300*HZ)) > > In order to make 64bit arches wrap too, you might want to use -1UL here. > Not that jiffies should wrap on a 64bit machine...
Seems somewhat pointless.
(2^64-1) / (1000 * 3600 * 24 * 365) ~584942417.35507203243911719939
I doubt any system ever will have an uptime of > 584 million years (assuming HZ=1000) and if jiffies wrap will be the least of their problems.
-Andi
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