SLOT_USED         145 kernel/kprobes.c 					kip->slot_used[i] = SLOT_USED;
SLOT_USED         180 kernel/kprobes.c 	kip->slot_used[0] = SLOT_USED;
SLOT_USED         257 kernel/kprobes.c 		WARN_ON(kip->slot_used[idx] != SLOT_USED);