pfn_pud 400 arch/arm64/include/asm/pgtable.h #define pfn_pud(pfn,prot) __pud(__phys_to_pud_val((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)) pfn_pud 582 arch/x86/include/asm/pgtable.h static inline pud_t pfn_pud(unsigned long page_nr, pgprot_t pgprot)