On Sat, Feb 06, 2010 at 09:55:03PM +0900, Masao Uebayashi wrote: > A word from a UVM learner... > > > This case shouldn't be hit too often as the clusters are already > > allocated from a pool, so the locking difference shouldn't make a big > > difference. Comments? > > My understanding is that the main point of having kernel submaps is to reduce > lock contention. So I wonder how this impacts performance on MP systems & > heavy network load.
mbuf clusters have a pool cache already, so they generally won't go to the backing map. Joerg
