Richard Hughes wrote: > On Wed, 2007-06-27 at 13:37 -0700, Arjan van de Ven wrote: >> 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) > > What are the ideal values for this on AC and battery? > >>> echo 5 > /proc/sys/vm/laptop_mode >> this probably just wants to be done always, regardless of AC/battery > > Can this default just be changed in the kernel? > >>> mount -o remount,noatime / >> noatime has some sideeffects; there are various forms of "less atime" >> that are more benign > > Any ideas on how to enable less-atime? :-) >
there is lazyatime, which is sort of a best of both worlds; it updates atime, but only when it really matters _______________________________________________ Pm-utils mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/pm-utils
