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    SubjectRe: [PATCH 01/12] thp: fix the count of THP_COLLAPSE_ALLOC
    On Mon, Aug 13, 2012 at 07:13:16PM +0800, Xiao Guangrong wrote:
    > THP_COLLAPSE_ALLOC is double counted if NUMA is disabled since it has
    > already been calculated in khugepaged_alloc_hugepage
    >
    > Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>

    Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

    > ---
    > mm/huge_memory.c | 2 +-
    > 1 files changed, 1 insertions(+), 1 deletions(-)
    >
    > diff --git a/mm/huge_memory.c b/mm/huge_memory.c
    > index 57c4b93..80bcd42 100644
    > --- a/mm/huge_memory.c
    > +++ b/mm/huge_memory.c
    > @@ -1880,9 +1880,9 @@ static void collapse_huge_page(struct mm_struct *mm,
    > *hpage = ERR_PTR(-ENOMEM);
    > return;
    > }
    > + count_vm_event(THP_COLLAPSE_ALLOC);
    > #endif
    >
    > - count_vm_event(THP_COLLAPSE_ALLOC);
    > if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) {
    > #ifdef CONFIG_NUMA
    > put_page(new_page);
    > --
    > 1.7.7.6
    >
    > --
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    --
    Kirill A. Shutemov


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