linux-kernel - [PATCH 74/89] sched/headers: Move _init() prototypes from <linux/sched.h> to <linux/sched/init.h>

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Date:   Mon,  6 Feb 2017 14:29:17 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Oleg Nesterov <oleg@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 74/89] sched/headers: Move _init() prototypes from <linux/sched.h> to <linux/sched/init.h>

trap_init() and cpu_init() belong into <linux/cpu.h>, sched_init*() into <linux/sched/init.h>.

... and update usage sites where necessary.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/ia64/kernel/setup.c   |  1 +
 arch/m32r/kernel/traps.c   |  1 +
 arch/s390/kernel/setup.c   |  1 +
 include/linux/cpu.h        |  2 ++
 include/linux/sched.h      |  5 -----
 include/linux/sched/init.h | 11 +++++++++++
 init/main.c                |  1 +
 kernel/sched/sched.h       |  1 +
 8 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 35a9416705d8..b6c34fb052d3 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -29,6 +29,7 @@
 #include <linux/bootmem.h>
 #include <linux/console.h>
 #include <linux/delay.h>
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/reboot.h>
 #include <linux/sched.h>
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index 832bb2bb29bd..647dd94a0c39 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -17,6 +17,7 @@
 #include <linux/sched/debug.h>
 #include <linux/sched/task_stack.h>
 #include <linux/mm.h>
+#include <linux/cpu.h>
 
 #include <asm/page.h>
 #include <asm/processor.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index aab55b8c2143..75cbd2b14aca 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -19,6 +19,7 @@
 #include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/sched/task.h>
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/memblock.h>
 #include <linux/mm.h>
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 21f9c74496e7..f92081234afd 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -30,6 +30,8 @@ struct cpu {
 
 extern void boot_cpu_init(void);
 extern void boot_cpu_state_init(void);
+extern void cpu_init(void);
+extern void trap_init(void);
 
 extern int register_cpu(struct cpu *cpu, int num);
 extern struct device *get_cpu_device(unsigned cpu);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index caff145aad2e..a1473cb138f6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -168,13 +168,8 @@ struct uts_namespace;
 /* Task command name length */
 #define TASK_COMM_LEN 16
 
-extern void sched_init(void);
-extern void sched_init_smp(void);
-
 extern cpumask_var_t cpu_isolated_map;
 
-extern void cpu_init (void);
-extern void trap_init(void);
 extern void update_process_times(int user);
 extern void scheduler_tick(void);
 
diff --git a/include/linux/sched/init.h b/include/linux/sched/init.h
new file mode 100644
index 000000000000..127215045285
--- /dev/null
+++ b/include/linux/sched/init.h
@@ -0,0 +1,11 @@
+#ifndef _LINUX_SCHED_INIT_H
+#define _LINUX_SCHED_INIT_H
+
+/*
+ * Scheduler init related prototypes:
+ */
+
+extern void sched_init(void);
+extern void sched_init_smp(void);
+
+#endif /* _LINUX_SCHED_INIT_H */
diff --git a/init/main.c b/init/main.c
index cd2065b115f6..5864f9e43566 100644
--- a/init/main.c
+++ b/init/main.c
@@ -62,6 +62,7 @@
 #include <linux/device.h>
 #include <linux/kthread.h>
 #include <linux/sched.h>
+#include <linux/sched/init.h>
 #include <linux/signal.h>
 #include <linux/idr.h>
 #include <linux/kgdb.h>
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 76e3af3f39f4..5cbf92214ad8 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -18,6 +18,7 @@
 #include <linux/sched/task.h>
 #include <linux/sched/task_stack.h>
 #include <linux/sched/cputime.h>
+#include <linux/sched/init.h>
 
 #include <linux/u64_stats_sync.h>
 #include <linux/kernel_stat.h>
-- 
2.7.4