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| author |   Zhen Ni <nizhen@uniontech.com> | 2022-01-28 17:50:25 +0800 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2022-02-02 13:11:37 +0100 |
| commit | c8eaf6ac76f40f6c59fc7d056e2e08c4a57ea9c7 (patch) | |
| tree | da3e3596be1253da7ec326611367490d4c7a808c | |
| parent | selftests/rseq: x86-32: use %gs segment selector for accessing rseq thread area (diff) | |
| download | linux-dev-c8eaf6ac76f40f6c59fc7d056e2e08c4a57ea9c7.tar.xz linux-dev-c8eaf6ac76f40f6c59fc7d056e2e08c4a57ea9c7.zip | |
sched: move autogroup sysctls into its own file
move autogroup sysctls to autogroup.c and use the new
register_sysctl_init() to register the sysctl interface.
Signed-off-by: Zhen Ni <nizhen@uniontech.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220128095025.8745-1-nizhen@uniontech.com
| -rw-r--r-- | include/linux/sched/sysctl.h | 4 | ||||
| -rw-r--r-- | kernel/sched/autogroup.c | 23 | ||||
| -rw-r--r-- | kernel/sched/autogroup.h | 1 | ||||
| -rw-r--r-- | kernel/sysctl.c | 11 |
4 files changed, 24 insertions, 15 deletions
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index c19dd5a2c05c..3f2b70f8d32c 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -45,10 +45,6 @@ extern unsigned int sysctl_sched_uclamp_util_min_rt_default; extern unsigned int sysctl_sched_cfs_bandwidth_slice; #endif -#ifdef CONFIG_SCHED_AUTOGROUP -extern unsigned int sysctl_sched_autogroup_enabled; -#endif - extern int sysctl_sched_rr_timeslice; extern int sched_rr_timeslice; diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c index 8629b37d118e..31dd2593145e 100644 --- a/kernel/sched/autogroup.c +++ b/kernel/sched/autogroup.c @@ -9,6 +9,28 @@ unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1; static struct autogroup autogroup_default; static atomic_t autogroup_seq_nr; +#ifdef CONFIG_SYSCTL +static struct ctl_table sched_autogroup_sysctls[] = { + { + .procname = "sched_autogroup_enabled", + .data = &sysctl_sched_autogroup_enabled, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, + }, + {} +}; + +static void __init sched_autogroup_sysctl_init(void) +{ + register_sysctl_init("kernel", sched_autogroup_sysctls); +} +#else +#define sched_autogroup_sysctl_init() do { } while (0) +#endif + void __init autogroup_init(struct task_struct *init_task) { autogroup_default.tg = &root_task_group; @@ -198,6 +220,7 @@ void sched_autogroup_exit(struct signal_struct *sig) static int __init setup_autogroup(char *str) { sysctl_sched_autogroup_enabled = 0; + sched_autogroup_sysctl_init(); return 1; } diff --git a/kernel/sched/autogroup.h b/kernel/sched/autogroup.h index b96419974a1f..90fcbfdd70c3 100644 --- a/kernel/sched/autogroup.h +++ b/kernel/sched/autogroup.h @@ -27,6 +27,7 @@ extern bool task_wants_autogroup(struct task_struct *p, struct task_group *tg); static inline struct task_group * autogroup_task_group(struct task_struct *p, struct task_group *tg) { + extern unsigned int sysctl_sched_autogroup_enabled; int enabled = READ_ONCE(sysctl_sched_autogroup_enabled); if (enabled && task_wants_autogroup(p, tg)) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 5ae443b2882e..1cb7ca68cd4e 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1750,17 +1750,6 @@ static struct ctl_table kern_table[] = { .proc_handler = sysctl_sched_uclamp_handler, }, #endif -#ifdef CONFIG_SCHED_AUTOGROUP - { - .procname = "sched_autogroup_enabled", - .data = &sysctl_sched_autogroup_enabled, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = proc_dointvec_minmax, - .extra1 = SYSCTL_ZERO, - .extra2 = SYSCTL_ONE, - }, -#endif #ifdef CONFIG_CFS_BANDWIDTH { .procname = "sched_cfs_bandwidth_slice_us", |