Merge tag 'powerpc-4.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

Merge tag 'powerpc-4.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

Pull powerpc fixes from Michael Ellerman:

 - THP/hugetlb fixes from Aneesh.

 - MCE fix from Daniel.

 - TOC fix from Anton.

* tag 'powerpc-4.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
  powerpc: Align TOC to 256 bytes
  powerpc/mce: fix off by one errors in mce event handling
  powerpc/mm: Return NULL for not present hugetlb page
  powerpc/thp: Serialize pmd clear against a linux page table walk.