mmu notifier included

Just in case you didn't notice, I wanted to let you know that my v18 version of mmu notifiers is finally included in 2.6.27-rc1 (this includes mm_take_all_locks etc..). So 2.6.27 will most certainly ship with mmu notifiers and Avi already applied my patches to enable kvm.git to use mmu notifiers to swap reliably, fix tlb flushing host-smp race etc...