pud_folded 666 arch/s390/include/asm/pgtable.h if (pud_folded(pud)) pud_folded 673 arch/s390/include/asm/pgtable.h if (pud_folded(pud)) pud_folded 132 arch/s390/mm/page-states.c if (!pud_folded(*pud)) {