Linus,
	The following patch modifies the i386 Topology macros to use an array of 
cached values for cpu <-> node mapping data, and is a vast performance 
win over the old macros.

Please apply...

[mcd@arrakis patches]$ diffstat i386_topology_fixup-2.5.46.patch
  arch/i386/kernel/smpboot.c  |   43 
+++++++++++++++++++++++++++++++++++++++++++
  include/asm-i386/smpboot.h  |    8 ++++++++
  include/asm-i386/topology.h |   43 
+++++--------------------------------------
  3 files changed, 56 insertions(+), 38 deletions(-)

Cheers!

-Matt