> On Fri, Aug 24, 2007 at 03:26:54PM -0700,
travis@sgi.com wrote:
> > Previous Intro:
>
> Thanks for doing this.
>
> > In x86_64 and i386 architectures most arrays that are sized
> > using NR_CPUS lay in local memory on node 0. Not only will most
> > (99%?) of the systems not use all the slots in these arrays,
> > particularly when NR_CPUS is increased to accommodate future
> > very high cpu count systems, but a number of cache lines are
> > passed unnecessarily on the system bus when these arrays are
> > referenced by cpus on other nodes.
>
> Can we move cpuinfo_x86 also to per cpu area? Though critical run