From dafd7a9dad22fadcb290b24dff54e2eae3b89776 Mon Sep 17 00:00:00 2001 From: Zhen Ni Date: Tue, 15 Feb 2022 19:46:01 +0800 Subject: sched: Move rr_timeslice sysctls to rt.c move rr_timeslice sysctls to rt.c and use the new register_sysctl_init() to register the sysctl interface. Signed-off-by: Zhen Ni Signed-off-by: Luis Chamberlain --- include/linux/sched/sysctl.h | 5 ----- kernel/sched/rt.c | 13 +++++++++++-- kernel/sched/sched.h | 1 + kernel/sysctl.c | 7 ------- 4 files changed, 12 insertions(+), 14 deletions(-) diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index 7da9b94c5e1c..3d307e512d1f 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -41,11 +41,6 @@ extern unsigned int sysctl_sched_uclamp_util_min_rt_default; extern unsigned int sysctl_sched_cfs_bandwidth_slice; #endif -extern int sysctl_sched_rr_timeslice; -extern int sched_rr_timeslice; - -int sched_rr_handler(struct ctl_table *table, int write, void *buffer, - size_t *lenp, loff_t *ppos); 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, diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 5663bb5ff890..71791be36065 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -5,7 +5,7 @@ */ int sched_rr_timeslice = RR_TIMESLICE; -int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE; +static int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE; /* More than 4 hours if BW_SHIFT equals 20. */ static const u64 max_rt_runtime = MAX_BW; @@ -27,6 +27,8 @@ int sysctl_sched_rt_runtime = 950000; static int sched_rt_handler(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos); +static int sched_rr_handler(struct ctl_table *table, int write, void *buffer, + size_t *lenp, loff_t *ppos); #ifdef CONFIG_SYSCTL static struct ctl_table sched_rt_sysctls[] = { { @@ -43,6 +45,13 @@ static struct ctl_table sched_rt_sysctls[] = { .mode = 0644, .proc_handler = sched_rt_handler, }, + { + .procname = "sched_rr_timeslice_ms", + .data = &sysctl_sched_rr_timeslice, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = sched_rr_handler, + }, {} }; @@ -3005,7 +3014,7 @@ undo: return ret; } -int sched_rr_handler(struct ctl_table *table, int write, void *buffer, +static int sched_rr_handler(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos) { int ret; diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 3b406c78a8e9..ae0f6e5a76f9 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -117,6 +117,7 @@ extern void call_trace_sched_update_nr_running(struct rq *rq, int count); extern unsigned int sysctl_sched_rt_period; extern int sysctl_sched_rt_runtime; +extern int sched_rr_timeslice; /* * Helpers for converting nanosecond timing to jiffy resolution diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 2c8c75e11a37..b074f70a3e11 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1681,13 +1681,6 @@ static struct ctl_table kern_table[] = { .extra2 = SYSCTL_FOUR, }, #endif /* CONFIG_NUMA_BALANCING */ - { - .procname = "sched_rr_timeslice_ms", - .data = &sysctl_sched_rr_timeslice, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = sched_rr_handler, - }, #ifdef CONFIG_UCLAMP_TASK { .procname = "sched_util_clamp_min", -- cgit