Commit a60707d7 authored by Zhen Ni's avatar Zhen Ni Committed by Luis Chamberlain
Browse files

sched: Move child_runs_first sysctls to fair.c 



move child_runs_first sysctls to fair.c and use the new
register_sysctl_init() to register the sysctl interface.

Signed-off-by: default avatarZhen Ni <nizhen@uniontech.com>
Signed-off-by: default avatarLuis Chamberlain <mcgrof@kernel.org>
parent 31231092

include/linux/sched/sysctl.h

+0 −2
Original line number Diff line number Diff line
@@ -14,8 +14,6 @@ extern unsigned long sysctl_hung_task_timeout_secs; 
enum { sysctl_hung_task_timeout_secs = 0 };

#endif



extern unsigned int sysctl_sched_child_runs_first;



enum sched_tunable_scaling {

	SCHED_TUNABLESCALING_NONE,

	SCHED_TUNABLESCALING_LOG,

kernel/sched/fair.c

+19 −0
Original line number Diff line number Diff line
@@ -109,6 +109,25 @@ static unsigned int sched_nr_latency = 8; 
 * parent will (try to) run first.

 */

unsigned int sysctl_sched_child_runs_first __read_mostly;

#ifdef CONFIG_SYSCTL

static struct ctl_table sched_child_runs_first_sysctls[] = {

	{

		.procname       = "sched_child_runs_first",

		.data           = &sysctl_sched_child_runs_first,

		.maxlen         = sizeof(unsigned int),

		.mode           = 0644,

		.proc_handler   = proc_dointvec,

	},

	{}

};



static int __init sched_child_runs_first_sysctl_init(void)

{

	register_sysctl_init("kernel", sched_child_runs_first_sysctls);

	return 0;

}

late_initcall(sched_child_runs_first_sysctl_init);

#endif



/*

 * SCHED_OTHER wake-up granularity.

kernel/sched/sched.h

+2 −0
Original line number Diff line number Diff line
@@ -108,6 +108,8 @@ extern __read_mostly int scheduler_running; 
extern unsigned long calc_load_update;

extern atomic_long_t calc_load_tasks;



extern unsigned int sysctl_sched_child_runs_first;



extern void calc_global_load_tick(struct rq *this_rq);

extern long calc_load_fold_active(struct rq *this_rq, long adjust);

kernel/sysctl.c

+0 −7
Original line number Diff line number Diff line
@@ -1659,13 +1659,6 @@ int proc_do_static_key(struct ctl_table *table, int write, 
}



static struct ctl_table kern_table[] = {

	{

		.procname	= "sched_child_runs_first",

		.data		= &sysctl_sched_child_runs_first,

		.maxlen		= sizeof(unsigned int),

		.mode		= 0644,

		.proc_handler	= proc_dointvec,

	},

#ifdef CONFIG_SCHEDSTATS

	{

		.procname	= "sched_schedstats",