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    Subject[PATCH v2 04/20] mm, hugetlb: remove useless check about mapping type
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    is_vma_resv_set(vma, HPAGE_RESV_OWNER) implys that this mapping is
    for private. So we don't need to check whether this mapping is for
    shared or not.

    This patch is just for clean-up.

    Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

    diff --git a/mm/hugetlb.c b/mm/hugetlb.c
    index ea1ae0a..c017c52 100644
    --- a/mm/hugetlb.c
    +++ b/mm/hugetlb.c
    @@ -2544,8 +2544,7 @@ retry_avoidcopy:
    * at the time of fork() could consume its reserves on COW instead
    * of the full address range.
    */
    - if (!(vma->vm_flags & VM_MAYSHARE) &&
    - is_vma_resv_set(vma, HPAGE_RESV_OWNER) &&
    + if (is_vma_resv_set(vma, HPAGE_RESV_OWNER) &&
    old_page != pagecache_page)
    outside_reserve = 1;

    --
    1.7.9.5


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