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sched/deadline: Move DL related code from sched/core.c to sched/deadline.c

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This helps making sched/core.c smaller and hopefully easier to understand and maintain.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170621182203.30626-2-nicolas.pitre@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Nicolas Pitre
2017-06-21 14:22:01 -04:00
committed by Ingo Molnar
parent e1d4eeec5a
commit 06a76fe08d
3 changed files with 364 additions and 340 deletions
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17
kernel/sched/sched.h
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@@ -218,9 +218,6 @@ static inline int dl_bandwidth_enabled(void)
return sysctl_sched_rt_runtime >= 0;
}
extern struct dl_bw *dl_bw_of(int i);
extern int dl_bw_cpus(int i);
struct dl_bw {
raw_spinlock_t lock;
u64 bw, total_bw;
@@ -251,6 +248,20 @@ bool __dl_overflow(struct dl_bw *dl_b, int cpus, u64 old_bw, u64 new_bw)
void dl_change_utilization(struct task_struct *p, u64 new_bw);
extern void init_dl_bw(struct dl_bw *dl_b);
extern int sched_dl_global_validate(void);
extern void sched_dl_do_global(void);
extern int sched_dl_overflow(struct task_struct *p, int policy,
const struct sched_attr *attr);
extern void __setparam_dl(struct task_struct *p, const struct sched_attr *attr);
extern void __getparam_dl(struct task_struct *p, struct sched_attr *attr);
extern bool __checkparam_dl(const struct sched_attr *attr);
extern void __dl_clear_params(struct task_struct *p);
extern bool dl_param_changed(struct task_struct *p, const struct sched_attr *attr);
extern int dl_task_can_attach(struct task_struct *p,
const struct cpumask *cs_cpus_allowed);
extern int dl_cpuset_cpumask_can_shrink(const struct cpumask *cur,
const struct cpumask *trial);
extern bool dl_cpu_busy(unsigned int cpu);
#ifdef CONFIG_CGROUP_SCHED