[Pm-utils] powertop suggestions

[Arjan van de Ven]

Richard Hughes wrote:
> When using powertop I'm told to do:
> 
> echo 1500 > /proc/sys/vm/dirty_writeback_centisecs

that is mostly because fedora sets it to 30 (300ms) on AC (which is 
insanely short)

> echo 5 > /proc/sys/vm/laptop_mode

this probably just wants to be done always, regardless of AC/battery

> mount -o remount,noatime /

noatime has some sideeffects; there are various forms of "less atime" 
that are more benign