printk(KERN_INFO "Initrd not found or empty");
                goto disable;
        }
-       if (CPHYSADDR(initrd_end) > PFN_PHYS(max_low_pfn)) {
+       if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) {
                printk("Initrd extends beyond end of memory");
                goto disable;
        }
 
-       reserve_bootmem(CPHYSADDR(initrd_start), size);
+       reserve_bootmem(__pa(initrd_start), size);
        initrd_below_start_ok = 1;
 
        printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n",
         * of usable memory.
         */
        reserved_end = init_initrd();
-       reserved_end = PFN_UP(CPHYSADDR(max(reserved_end, (unsigned long)&_end)));
+       reserved_end = PFN_UP(__pa(max(reserved_end, (unsigned long)&_end)));
 
        /*
         * Find the highest page frame number we have available.