Due to master.kernel.org being on the blink, 2.6.9-rc1-mm5 Is currently at
http://www.zip.com.au/~akpm/linux/patches/2.6.9-rc1-mm5/
+sched-trivial-sched-changes.patch
+sched-add-cpu_down_prepare-notifier.patch
+sched-integrate-cpu-hotplug-and-sched-domains.patch
+sched-arch_destroy_sched_domains-warning-fix.patch
+sched-sched-add-load-balance-flag.patch
+sched-remove-disjoint-numa-domains-setup.patch
+sched-make-domain-setup-overridable.patch
+sched-make-domain-setup-overridable-rename.patch
+sched-ia64-add-disjoint-numa-domain-support.patch
+sched-fix-domain-debug-for-isolcpus.patch
+sched-enable-sd_load_balance.patch
+sched-hotplug-add-a-cpu_down_failed-notifier.patch
+sched-use-cpu_down_failed-notifier.patch
+sched-fixes-for-ia64-domain-setup.patch
CPU scheduler work.