proc: move /proc/schedstat boilerplate to kernel/sched_stats.h

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

4 files changed, 9 insertions, 8 deletions

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index f6d25db98922..4a768ed5da2e 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -195,9 +195,6 @@ void __init proc_misc_init(void)
         proc_symlink("mounts", NULL, "self/mounts");
 
         /* And now for trickier ones */
-#ifdef CONFIG_SCHEDSTATS
-        proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
-#endif
 #ifdef CONFIG_PROC_KCORE
         proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
         if (proc_root_kcore)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5c38db536e07..7f60cb9b53cb 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -681,10 +681,6 @@ struct sched_info {
 };
 #endif /* defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) */
 
-#ifdef CONFIG_SCHEDSTATS
-extern const struct file_operations proc_schedstat_operations;
-#endif /* CONFIG_SCHEDSTATS */
-
 #ifdef CONFIG_TASK_DELAY_ACCT
 struct task_delay_info {
         spinlock_t      lock;
diff --git a/kernel/sched.c b/kernel/sched.c
index d906f72b42d2..5a70189d5051 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -55,6 +55,7 @@
 #include <linux/cpuset.h>
 #include <linux/percpu.h>
 #include <linux/kthread.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/sysctl.h>
 #include <linux/syscalls.h>
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index b8c156979cf2..3d14ce273902 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -90,13 +90,20 @@ static int schedstat_open(struct inode *inode, struct file *file)
         return res;
 }
 
-const struct file_operations proc_schedstat_operations = {
+static const struct file_operations proc_schedstat_operations = {
         .open    = schedstat_open,
         .read    = seq_read,
         .llseek  = seq_lseek,
         .release = single_release,
 };
 
+static int __init proc_schedstat_init(void)
+{
+        proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
+        return 0;
+}
+module_init(proc_schedstat_init);
+
 /*
  * Expects runqueue lock to be held for atomicity of update
  */