BOOK              507 arch/s390/kernel/topology.c 	{ cpu_book_mask, SD_INIT_NAME(BOOK) },
BOOK              279 arch/s390/numa/mode_emu.c 	move_level_to_numa(numa, phys, BOOK, true);
BOOK              280 arch/s390/numa/mode_emu.c 	move_level_to_numa(numa, phys, BOOK, false);