[PATCH 0/4] fix pagewalk minor issues

[KOSAKI Motohiro]

While reviewing Stephen's numa_maps improvement, I've found recent pagewalk changes
made some minor issues.

This series fix them. I think only [1/4] need to backport to -stable.


KOSAKI Motohiro (4):
  pagewalk: Fix walk_page_range() don't check find_vma() result
    properly
  pagewalk: don't look up vma if walk->hugetlb_entry is unused
  pagewalk: add locking-rule commnets
  pagewalk: fix code comment for THP

 include/linux/mm.h |    1 +
 mm/pagewalk.c      |   49 ++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 43 insertions(+), 7 deletions(-)

-- 
1.7.3.1



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