pud_page          589 arch/x86/include/asm/pgtable.h #define pud_page(pud)		pfn_to_page(pud_val(pud) >> PAGE_SHIFT)
pud_page           26 include/asm-generic/4level-fixup.h #define pud_page(pud)			pgd_page(pud)
pud_page           51 include/asm-generic/pgtable-nopmd.h #define pud_page(pud)				(pmd_page((pmd_t){ pud }))