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Bug#203639: ITP: cpudyn -- CPU dynamic frequency control

Celso Gonzalez wrote:
>  cpudyn controls the speed in Intel SpeedStep, Pentium 4 Mobile,
>  and PowerPC machines with the cpufreq compiled in the kernel. It saves
>  battery, lowers temperature, and can put the computer disks in standby
>  mode if a given period has passed without any I/O operation. It works
>  well even with journaled file systems such as Ext3, XFS, or ReiserFS.

What mechanism is used for keeping the disks spun down? My laptop does
not need cpu frequency control (it's a crusoe), but I could use
something without noflushd's limitations.

see shy jo

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