> Here is a patch that implements 'ZeroD', a simple kernel thread that uses
> up CPU idle time to keep a pool of pre-zeroed pages around. Almost
> anything that doesnt burn 100% CPU time all the time should benefit from
> this.
Hmm, did you check that this hasn't a bad effect on the cache memory when
a cpu intensive process has to sleep for short times?
A /proc/sys interface to tune it would be nice too.
-Andi