Merge branch 'akpm' (patches from Andrew)

Merge yet more updates from Andrew Morton:

 - the rest of MM

 - various misc fixes and tweaks

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits)
  mm: Change return type int to vm_fault_t for fault handlers
  lib/fonts: convert comments to utf-8
  s390: ebcdic: convert comments to UTF-8
  treewide: convert ISO_8859-1 text comments to utf-8
  drivers/gpu/drm/gma500/: change return type to vm_fault_t
  docs/core-api: mm-api: add section about GFP flags
  docs/mm: make GFP flags descriptions usable as kernel-doc
  docs/core-api: split memory management API to a separate file
  docs/core-api: move *{str,mem}dup* to "String Manipulation"
  docs/core-api: kill trailing whitespace in kernel-api.rst
  mm/util: add kernel-doc for kvfree
  mm/util: make strndup_user description a kernel-doc comment
  fs/proc/vmcore.c: hide vmcoredd_mmap_dumps() for nommu builds
  treewide: correct "differenciate" and "instanciate" typos
  fs/afs: use new retur...