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sched: Move schedstats sysctls to core.c 

move schedstats sysctls to core.c and use the new
register_sysctl_init() to register the sysctl interface.

Signed-off-by: Zhen Ni <nizhen@uniontech.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Zhen Ni 2022-02-15 19:45:58 +08:00 committed by Luis Chamberlain
parent a60707d74b
commit f5ef06d58b
3 changed files with 21 additions and 14 deletions
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2
include/linux/sched/sysctl.h
View File

@ -64,8 +64,6 @@ int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos);
int sysctl_numa_balancing(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos);
int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos);
#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
extern unsigned int sysctl_sched_energy_aware;

22
kernel/sched/core.c
View File

@ -4430,7 +4430,7 @@ out:
__setup("schedstats=", setup_schedstats);
#ifdef CONFIG_PROC_SYSCTL
int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
static int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
@ -4449,6 +4449,26 @@ int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
set_schedstats(state);
return err;
}
static struct ctl_table sched_schedstats_sysctls[] = {
{
.procname = "sched_schedstats",
.data = NULL,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = sysctl_schedstats,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
{}
};
static int __init sched_schedstats_sysctl_init(void)
{
register_sysctl_init("kernel", sched_schedstats_sysctls);
return 0;
}
late_initcall(sched_schedstats_sysctl_init);
#endif /* CONFIG_PROC_SYSCTL */
#endif /* CONFIG_SCHEDSTATS */

11
kernel/sysctl.c
View File

@ -1659,17 +1659,6 @@ int proc_do_static_key(struct ctl_table *table, int write,
}
static struct ctl_table kern_table[] = {
#ifdef CONFIG_SCHEDSTATS
{
.procname = "sched_schedstats",
.data = NULL,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = sysctl_schedstats,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
#endif /* CONFIG_SCHEDSTATS */
#ifdef CONFIG_TASK_DELAY_ACCT
{
.procname = "task_delayacct",