hugetlb_vma_lock_release
kref_put(&vma_lock->refs, hugetlb_vma_lock_release);
kref_put(&vma_lock->refs, hugetlb_vma_lock_release);
void hugetlb_vma_lock_release(struct kref *kref);
kref_put(&vma_lock->refs, hugetlb_vma_lock_release);