[PATCH v3 0/9] mm, hugetlb: clean-up and possible bug fix

From: Joonsoo Kim
Date: Mon Jul 29 2013 - 01:31:39 EST

First 5 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 v2.
There is no code change in all patches from v2.
Omit patch 2('clean-up alloc_huge_page()') which try to remove one
goto label.
Add more comments to changelog as Michal's opinion.
Add reviewed-by or acked-by.

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 (9):
mm, hugetlb: move up the code which check availability of free huge
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
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 | 243 ++++++++++++++++++++++++++--------------------------------
1 file changed, 110 insertions(+), 133 deletions(-)


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