On Wed, May 23, 2007 at 12:09:56PM -0700, Yu, Fenghua wrote: > > >Has there been any measurable benefit yet due to tail padding? > > We don't have data that tail padding actually helps. It all > depends on what data the linker lays out in the cachelines. > > As of now we just want to create the infrastructure (so that > more and more people who need it, can use it).
So what we have now is space wastage on some architectures, space savings on some, but with no measurable performance benefit due to the infrastructure itself. Why not push the infrastructure when we really need it, as against pushing it now when we are not sure if it benefits? Thanks, Kiran - 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/