VMALLOC_REGION_ID
if (get_region_id(l) == VMALLOC_REGION_ID) {
case VMALLOC_REGION_ID:
if ((get_region_id(ea) == VMALLOC_REGION_ID) ||
if ((region_id == VMALLOC_REGION_ID) || (region_id == IO_REGION_ID))
} else if (id == VMALLOC_REGION_ID) {
case VMALLOC_REGION_ID:
if (WARN_ON_ONCE(region != VMALLOC_REGION_ID && region != IO_REGION_ID))