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sched/topology: Split out scheduler topology code from core.c into topology.c 

Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-02-01 13:10:18 +01:00
parent 004172bdad
commit f2cb13609d
4 changed files with 1684 additions and 1658 deletions
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2
kernel/sched/Makefile
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@ -18,7 +18,7 @@ endif
obj-y += core.o loadavg.o clock.o cputime.o
obj-y += idle_task.o fair.o rt.o deadline.o stop_task.o
obj-y += wait.o swait.o completion.o idle.o
obj-$(CONFIG_SMP) += cpupri.o cpudeadline.o
obj-$(CONFIG_SMP) += cpupri.o cpudeadline.o topology.o
obj-$(CONFIG_SCHED_AUTOGROUP) += auto_group.o
obj-$(CONFIG_SCHEDSTATS) += stats.o
obj-$(CONFIG_SCHED_DEBUG) += debug.o

1659
kernel/sched/core.c
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23
kernel/sched/sched.h
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@ -223,7 +223,7 @@ bool __dl_overflow(struct dl_bw *dl_b, int cpus, u64 old_bw, u64 new_bw)
dl_b->bw * cpus < dl_b->total_bw - old_bw + new_bw;
}
extern struct mutex sched_domains_mutex;
extern void init_dl_bw(struct dl_bw *dl_b);
#ifdef CONFIG_CGROUP_SCHED
@ -584,6 +584,13 @@ struct root_domain {
};
extern struct root_domain def_root_domain;
extern struct mutex sched_domains_mutex;
extern cpumask_var_t fallback_doms;
extern cpumask_var_t sched_domains_tmpmask;
extern void init_defrootdomain(void);
extern int init_sched_domains(const struct cpumask *cpu_map);
extern void rq_attach_root(struct rq *rq, struct root_domain *rd);
#endif /* CONFIG_SMP */
@ -886,6 +893,16 @@ extern int sched_max_numa_distance;
extern bool find_numa_distance(int distance);
#endif
#ifdef CONFIG_NUMA
extern void sched_init_numa(void);
extern void sched_domains_numa_masks_set(unsigned int cpu);
extern void sched_domains_numa_masks_clear(unsigned int cpu);
#else
static inline void sched_init_numa(void) { }
static inline void sched_domains_numa_masks_set(unsigned int cpu) { }
static inline void sched_domains_numa_masks_clear(unsigned int cpu) { }
#endif
#ifdef CONFIG_NUMA_BALANCING
/* The regions in numa_faults array from task_struct */
enum numa_faults_stats {
@ -1752,6 +1769,10 @@ static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)
__release(rq2->lock);
}
extern void set_rq_online (struct rq *rq);
extern void set_rq_offline(struct rq *rq);
extern bool sched_smp_initialized;
#else /* CONFIG_SMP */
/*

1658
kernel/sched/topology.c Normal file
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