[PATCH v2 00/10] mm, hugetlb: clean-up and possible bug fix

[Joonsoo Kim]

First 6 patches are almost trivial clean-up patches.

The others are for fixing three bugs.
Perhaps, these problems are minor, because this codes are used
for a long time, and there is no bug reporting for these problems.

These patches are based on v3.10.0 and
passed the libhugetlbfs test suite.

Changes from v1.
Split patch 1 into two patches to clear it's purpose.
Remove useless indentation changes in 'clean-up alloc_huge_page()'
Fix new iteration code bug.
Add reviewed-by or acked-by.

Joonsoo Kim (10):
  mm, hugetlb: move up the code which check availability of free huge
    page
  mm, hugetlb: remove err label in dequeue_huge_page_vma()
  mm, hugetlb: trivial commenting fix
  mm, hugetlb: clean-up alloc_huge_page()
  mm, hugetlb: fix and clean-up node iteration code to alloc or free
  mm, hugetlb: remove redundant list_empty check in
    gather_surplus_pages()
  mm, hugetlb: do not use a page in page cache for cow optimization
  mm, hugetlb: add VM_NORESERVE check in vma_has_reserves()
  mm, hugetlb: remove decrement_hugepage_resv_vma()
  mm, hugetlb: decrement reserve count if VM_NORESERVE alloc page cache

 mm/hugetlb.c |  250 ++++++++++++++++++++++++++--------------------------------
 1 file changed, 112 insertions(+), 138 deletions(-)

-- 
1.7.9.5

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