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>

1 files changed, 22 insertions, 1 deletions

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 8ff5cc539e8a..17ed94b9b413 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -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 */
 
 /*