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authorIngo Molnar <mingo@kernel.org>2017-02-03 14:52:01 +0100
committerIngo Molnar <mingo@kernel.org>2017-03-03 01:43:45 +0100
commit0ca0156973a47e689f3bc817e26e15fff3f84eec (patch)
treed1cc6b9de75273343570609fbc41c1a6dcab3aa2 /include
parent70b8157e61d0143fb44ae9482557d7aca365da3d (diff)
downloadlinux-0ca0156973a47e689f3bc817e26e15fff3f84eec.tar.bz2
sched/headers: Split hotplug CPU interfaces out of <linux/sched.h> into <linux/sched/hotplug.h>
Split the CPU hotplug scheduler APIs out of the common header. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> 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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sched.h15
-rw-r--r--include/linux/sched/hotplug.h20
2 files changed, 20 insertions, 15 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ac0fed4c3130..25cc0adb3e08 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -196,15 +196,6 @@ extern void cpu_init (void);
extern void trap_init(void);
extern void update_process_times(int user);
extern void scheduler_tick(void);
-extern int sched_cpu_starting(unsigned int cpu);
-extern int sched_cpu_activate(unsigned int cpu);
-extern int sched_cpu_deactivate(unsigned int cpu);
-
-#ifdef CONFIG_HOTPLUG_CPU
-extern int sched_cpu_dying(unsigned int cpu);
-#else
-# define sched_cpu_dying NULL
-#endif
#define MAX_SCHEDULE_TIMEOUT LONG_MAX
extern signed long schedule_timeout(signed long timeout);
@@ -1498,12 +1489,6 @@ extern void sched_exec(void);
#define sched_exec() {}
#endif
-#ifdef CONFIG_HOTPLUG_CPU
-extern void idle_task_exit(void);
-#else
-static inline void idle_task_exit(void) {}
-#endif
-
extern int yield_to(struct task_struct *p, bool preempt);
extern void set_user_nice(struct task_struct *p, long nice);
extern int task_prio(const struct task_struct *p);
diff --git a/include/linux/sched/hotplug.h b/include/linux/sched/hotplug.h
index 34670ed24894..c608d3c1ddb8 100644
--- a/include/linux/sched/hotplug.h
+++ b/include/linux/sched/hotplug.h
@@ -3,4 +3,24 @@
#include <linux/sched.h>
+/*
+ * Scheduler interfaces for hotplug CPU support:
+ */
+
+extern int sched_cpu_starting(unsigned int cpu);
+extern int sched_cpu_activate(unsigned int cpu);
+extern int sched_cpu_deactivate(unsigned int cpu);
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern int sched_cpu_dying(unsigned int cpu);
+#else
+# define sched_cpu_dying NULL
+#endif
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern void idle_task_exit(void);
+#else
+static inline void idle_task_exit(void) {}
+#endif
+
#endif /* _LINUX_SCHED_HOTPLUG_H */