SPINLOCK_SIZE      23 include/linux/lockref.h 	 IS_ENABLED(CONFIG_SMP) && SPINLOCK_SIZE <= 4)
SPINLOCK_SIZE      25 include/linux/mm_types_task.h #define ALLOC_SPLIT_PTLOCKS	(SPINLOCK_SIZE > BITS_PER_LONG/8)
SPINLOCK_SIZE      24 kernel/bounds.c 	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));