iomem_start 201 arch/um/kernel/physmem.c unsigned long iomem_start = high_physmem + PAGE_SIZE; iomem_start 205 arch/um/kernel/physmem.c err = os_map_memory((void *) iomem_start, region->fd, 0, iomem_start 211 arch/um/kernel/physmem.c region->virt = iomem_start; iomem_start 215 arch/um/kernel/physmem.c iomem_start += region->size + PAGE_SIZE;