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    Subject[PATCH 6/9] migrate: remove VM_HUGETLB from vma flag check in vma_migratable()
    Date
    This patch enables hugepage migration from migrate_pages(2),
    move_pages(2), and mbind(2).

    Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
    Acked-by: Hillf Danton <dhillf@gmail.com>
    Acked-by: Andi Kleen <ak@linux.intel.com>
    Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
    ---
    include/linux/mempolicy.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git v3.11-rc3.orig/include/linux/mempolicy.h v3.11-rc3/include/linux/mempolicy.h
    index 0d7df39..2e475b5 100644
    --- v3.11-rc3.orig/include/linux/mempolicy.h
    +++ v3.11-rc3/include/linux/mempolicy.h
    @@ -173,7 +173,7 @@ extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol);
    /* Check if a vma is migratable */
    static inline int vma_migratable(struct vm_area_struct *vma)
    {
    - if (vma->vm_flags & (VM_IO | VM_HUGETLB | VM_PFNMAP))
    + if (vma->vm_flags & (VM_IO | VM_PFNMAP))
    return 0;
    /*
    * Migration allocates pages in the highest zone. If we cannot
    --
    1.8.3.1


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