fixrange_init
extern void fixrange_init(unsigned long start, unsigned long end,
fixrange_init(vaddr, vaddr + PAGE_SIZE*LAST_PKMAP, swapper_pg_dir);
fixrange_init(vaddr, vaddr + PMD_SIZE, swapper_pg_dir);
extern void fixrange_init(unsigned long start, unsigned long end,
fixrange_init(vaddr & PMD_MASK, vaddr + FIXADDR_SIZE, pgd_base);
fixrange_init(vaddr & PMD_MASK, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base);
fixrange_init(vaddr, vaddr + FIXADDR_SIZE, pgd_base);