bm_pgdp 650 arch/arm64/mm/mmu.c pgd_t *bm_pgdp; bm_pgdp 659 arch/arm64/mm/mmu.c bm_pgdp = pgd_offset_raw(pgdp, FIXADDR_START); bm_pgdp 660 arch/arm64/mm/mmu.c bm_pudp = pud_set_fixmap_offset(bm_pgdp, FIXADDR_START);