int cond_resched_lock(spinlock_t * lock) 
int cond_resched_lock(spinlock_t *lock) 
int cond_resched_lock(spinlock_t * lock){	int ret = 0;	if (need_lockbreak(lock)) {		spin_unlock(lock);		cpu_relax();		ret = 1;		spin_lock(lock);	}	if (need_resched()) {		_raw_spin_unlock(lock);		preempt_enable_no_resched();		__cond_resched();		ret = 1;		spin_lock(lock);	}	return ret;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/95cdf3b799a481969a48d69a1a52916ad5da6694/sched.c/clean/kernel/sched.c