On Tue, Apr 24, 2007 at 10:55:45AM -0700, Christoph Lameter wrote: > On Tue, 24 Apr 2007, Siddha, Suresh B wrote: > > yes, we were planning to move this to a different percpu section, where > > all the elements in this new section will be cacheline aligned(both > > at the start, aswell as end) > > I would not call this a per cpu area. It is used by multiple cpus it > seems.
not decided about the name yet. but the area is allocated per cpu and yes, the data can be referred by other cpus. > But for 0.5%? on what benchmark? Is is really worth it? famous database workload :) I don't think the new section will be added for this 0.5%. This is a straight fwd optimization, and anyone can plug into this new section in future. thanks, suresh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/