Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "Three fixes"

* emailed patches from Andrew Morton <[email protected]>:
  mm: numa: disable change protection for vma(VM_HUGETLB)
  include/linux/dmapool.h: declare struct device
  mm: move zone lock to a different cache line than order-0 free page lists