proc: move /proc/vmstat boilerplate to mm/vmstat.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>

3 files changed, 13 insertions, 14 deletions

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 900331a634e..e7a301d5d43 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -69,17 +69,6 @@ static const struct file_operations proc_zoneinfo_file_operations = {
         .release        = seq_release,
 };
 
-static int vmstat_open(struct inode *inode, struct file *file)
-{
-        return seq_open(file, &vmstat_op);
-}
-static const struct file_operations proc_vmstat_file_operations = {
-        .open           = vmstat_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = seq_release,
-};
-
 #ifdef CONFIG_BLOCK
 static int diskstats_open(struct inode *inode, struct file *file)
 {
@@ -245,7 +234,6 @@ void __init proc_misc_init(void)
         proc_symlink("mounts", NULL, "self/mounts");
 
         /* And now for trickier ones */
-        proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
         proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #ifdef CONFIG_BLOCK
         proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 33ffd89a88a..7b68c4c1e19 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -55,7 +55,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 };
 
 extern const struct seq_operations zoneinfo_op;
-extern const struct seq_operations vmstat_op;
 extern int sysctl_stat_interval;
 
 #ifdef CONFIG_VM_EVENT_COUNTERS
diff --git a/mm/vmstat.c b/mm/vmstat.c
index d624d251946..7e1854b8186 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -858,13 +858,24 @@ static void vmstat_stop(struct seq_file *m, void *arg)
         m->private = NULL;
 }
 
-const struct seq_operations vmstat_op = {
+static const struct seq_operations vmstat_op = {
         .start  = vmstat_start,
         .next   = vmstat_next,
         .stop   = vmstat_stop,
         .show   = vmstat_show,
 };
 
+static int vmstat_open(struct inode *inode, struct file *file)
+{
+        return seq_open(file, &vmstat_op);
+}
+
+static const struct file_operations proc_vmstat_file_operations = {
+        .open           = vmstat_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = seq_release,
+};
 #endif /* CONFIG_PROC_FS */
 
 #ifdef CONFIG_SMP
@@ -938,6 +949,7 @@ static int __init setup_vmstat(void)
 #ifdef CONFIG_PROC_FS
         proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
         proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
+        proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
 #endif
         return 0;
 }