printk_pending   2974 kernel/printk/printk.c static DEFINE_PER_CPU(int, printk_pending);
printk_pending   2978 kernel/printk/printk.c 	int pending = __this_cpu_xchg(printk_pending, 0);
printk_pending   3002 kernel/printk/printk.c 		this_cpu_or(printk_pending, PRINTK_PENDING_WAKEUP);
printk_pending   3014 kernel/printk/printk.c 	__this_cpu_or(printk_pending, PRINTK_PENDING_OUTPUT);