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Commit 9824a2b7 authored by Hiroshi Shimamoto's avatar Hiroshi Shimamoto Committed by Ingo Molnar
Browse files

sched: Remove unused cpu_nr_migrations() 



cpu_nr_migrations() is not used, remove it.

Signed-off-by: default avatarHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4AF12A66.6020609@ct.jp.nec.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 2a2bb314

include/linux/sched.h

+0 −1
Original line number Original line Diff line number Diff line
@@ -145,7 +145,6 @@ extern unsigned long this_cpu_load(void); 








extern void calc_global_load(void);

extern void calc_global_load(void);

extern u64 cpu_nr_migrations(int cpu);





extern unsigned long get_parent_ip(unsigned long addr);

extern unsigned long get_parent_ip(unsigned long addr);

kernel/sched.c

+0 −11
Original line number Original line Diff line number Diff line
@@ -541,7 +541,6 @@ struct rq { 
	struct load_weight load;

	struct load_weight load;

	unsigned long nr_load_updates;

	unsigned long nr_load_updates;

	u64 nr_switches;

	u64 nr_switches;

	u64 nr_migrations_in;





	struct cfs_rq cfs;

	struct cfs_rq cfs;

	struct rt_rq rt;

	struct rt_rq rt;
@@ -2049,7 +2048,6 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu) 
#endif

#endif

	if (old_cpu != new_cpu) {

	if (old_cpu != new_cpu) {

		p->se.nr_migrations++;

		p->se.nr_migrations++;

		new_rq->nr_migrations_in++;

#ifdef CONFIG_SCHEDSTATS

#ifdef CONFIG_SCHEDSTATS

		if (task_hot(p, old_rq->clock, NULL))

		if (task_hot(p, old_rq->clock, NULL))

			schedstat_inc(p, se.nr_forced2_migrations);

			schedstat_inc(p, se.nr_forced2_migrations);
@@ -2988,15 +2986,6 @@ static void calc_load_account_active(struct rq *this_rq) 
	}

	}

}

}





/*

 * Externally visible per-cpu scheduler statistics:

 * cpu_nr_migrations(cpu) - number of migrations into that cpu

 */

u64 cpu_nr_migrations(int cpu)

{

	return cpu_rq(cpu)->nr_migrations_in;

}



/*

/*

 * Update rq->cpu_load[] statistics. This function is usually called every

 * Update rq->cpu_load[] statistics. This function is usually called every

 * scheduler tick (TICK_NSEC).

 * scheduler tick (TICK_NSEC).