Re: Testers wanted: exorcised kmod.c: no more daemon!
H. Peter Anvin (hpa@transmeta.com)
14 Apr 1998 09:35:53 GMT
Followup to: <Pine.LNX.3.96.980414050106.1417A-100000@troufion.bob>
By author: Antoine Reid <linux@jonction.net>
In newsgroup: linux.dev.kernel
>
> hmmm didn't the old kerneld remove the modules that had a count=0 for a period
> of time, rather that just periodically remove the modules?
> let's say I stop using a device at 23:59:55 and start using it at 00:00:05, now
> only 10 seconds have elapsed, but my root cronjob might have "rmmod -a" at
> midnight and the module is unloaded.. hmm makes any sense? any easy way to
> fix this, while still having a userland unload?
>
Have the kernel time stamp when the use count goes to zero (in
MOD_DEC_USE_COUNT) and expose it via /proc/modules. Then you can see
from user space how long the module has been unused.
-hpa
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