pmd_set_fixmap_offset  564 arch/arm64/include/asm/pgtable.h #define pmd_set_fixmap_offset(pud, addr)	pmd_set_fixmap(pmd_offset_phys(pud, addr))
pmd_set_fixmap_offset  578 arch/arm64/include/asm/pgtable.h #define pmd_set_fixmap_offset(pudp, addr)	((pmd_t *)pudp)