Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

* 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  Update Pekka's email address in MAINTAINERS
  mm/slab.c: make local symbols static
  slub: Avoid use of slub_lock in show_slab_objects()
  memory hotplug: one more lock on memory hotplug