On Sun, 29 Apr 2007, Andrew Morton wrote:
on each node at the second and then each of the other processor on aThe one-per-second timer interrupt will upset the people who are really
node on a subsequent tick. That may be useful to keep a large amount
of the second free of timer activity. Maybe the timer folks will have
some feedback on this one?
aggressive about power consumption (eg, OLPC). Perhaps there isn't (yet)
an intersection between those people and SMP.
Well the cache_reaper of SLAB hits hard todays anyways. This will help
if they switch to slub because the counter consolidation is much lighter weight.
I am fine with delaying this. I just wanted the timer guys to have a chance to shape this a bit. Not sure what they want. What they did to the cache_reaper in 2.6.20/21 is bad.