if (INITRD_START + INITRD_SIZE <= (PFN_PHYS(last_pfn))) {
reserve_bootmem_node(NODE_DATA(0), INITRD_START + __MEMORY_START, INITRD_SIZE);
if (INITRD_START + INITRD_SIZE <= (PFN_PHYS(last_pfn))) {
reserve_bootmem_node(NODE_DATA(0), INITRD_START + __MEMORY_START, INITRD_SIZE);