pudp_huge_get_and_clear
pud = pudp_huge_get_and_clear(vma->vm_mm, addr, pudp);
return pudp_huge_get_and_clear(vma->vm_mm, address, pudp);
pudp_huge_get_and_clear(args->mm, vaddr, args->pudp);
pudp_huge_get_and_clear(args->mm, vaddr, args->pudp);
pud = pudp_huge_get_and_clear(vma->vm_mm, address, pudp);