L_PMD_SECT_NONE 251 arch/arm/include/asm/pgtable-3level.h L_PMD_SECT_VALID | L_PMD_SECT_NONE; L_PMD_SECT_NONE 262 arch/arm/include/asm/pgtable-3level.h if (pmd_val(pmd) & L_PMD_SECT_NONE)