Reducing Fedora memory footprint?

[Tony Nelson]

At 2:23 PM +0000 11/22/06, Pádraig Brady wrote:
>Pekka Savola wrote:
 ...
>>  1) with RHL73 (w/ fvwm2), the battery lasted for 3.5-4.5 hours.
>>     With FC5 or FC6 (with xfce), it lasts for 1.5 hours, even if the
>>     computer is "idle".  Either ACPI is a lot worse than APM, or
>>     something is going on.  Any ideas how to debug this?
>
>When was the last time you tried 7.3? I.E. are you sure
>you haven't lost cell(s) in your battery in the meantime?
 ...

Also, back in 7.3 time the kernel probably had HZ=100, and now it is
usually 250 or 1000.  Slow laptops may not get back to sleep at all between
ticks.  The kernel can be recompiled for 100 Hz to give better battery
life.  (AIUI a recompile is needed, I haven't done any such thing.)
-- 
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