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

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

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index fd41a03..a35e506 100644 (file)
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,19 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-static int fragmentation_open(struct inode *inode, struct file *file)
-{
-       (void)inode;
-       return seq_open(file, &fragmentation_op);
-}
-
-static const struct file_operations fragmentation_file_operations = {
-       .open           = fragmentation_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
 static int pagetypeinfo_open(struct inode *inode, struct file *file)
 {
        return seq_open(file, &pagetypeinfo_op);
@@ -270,7 +257,6 @@ void __init proc_misc_init(void)
        proc_symlink("mounts", NULL, "self/mounts");
 
        /* And now for trickier ones */
-       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);
        proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 9cd3ab0..d4551f2 100644 (file)
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -54,7 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                NR_VM_EVENT_ITEMS
 };
 
-extern const struct seq_operations fragmentation_op;
 extern const struct seq_operations pagetypeinfo_op;
 extern const struct seq_operations zoneinfo_op;
 extern const struct seq_operations vmstat_op;

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 9343227..f45d724 100644 (file)
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -8,7 +8,7 @@
  *  Copyright (C) 2006 Silicon Graphics, Inc.,
  *             Christoph Lameter <christoph@lameter.com>
  */
-
+#include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/err.h>
 #include <linux/module.h>
@@ -384,7 +384,7 @@ void zone_statistics(struct zone *preferred_zone, struct zone *z)
 #endif
 
 #ifdef CONFIG_PROC_FS
-
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 static char * const migratetype_names[MIGRATE_TYPES] = {
@@ -581,13 +581,25 @@ static int pagetypeinfo_show(struct seq_file *m, void *arg)
        return 0;
 }
 
-const struct seq_operations fragmentation_op = {
+static const struct seq_operations fragmentation_op = {
        .start  = frag_start,
        .next   = frag_next,
        .stop   = frag_stop,
        .show   = frag_show,
 };
 
+static int fragmentation_open(struct inode *inode, struct file *file)
+{
+       return seq_open(file, &fragmentation_op);
+}
+
+static const struct file_operations fragmentation_file_operations = {
+       .open           = fragmentation_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
 const struct seq_operations pagetypeinfo_op = {
        .start  = frag_start,
        .next   = frag_next,
@@ -898,9 +910,11 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
 
 static struct notifier_block __cpuinitdata vmstat_notifier =
        { &vmstat_cpuup_callback, NULL, 0 };
+#endif
 
 static int __init setup_vmstat(void)
 {
+#ifdef CONFIG_SMP
        int cpu;
 
        refresh_zone_stat_thresholds();
@@ -908,7 +922,10 @@ static int __init setup_vmstat(void)
 
        for_each_online_cpu(cpu)
                start_cpu_timer(cpu);
+#endif
+#ifdef CONFIG_PROC_FS
+       proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
+#endif
        return 0;
 }
 module_init(setup_vmstat)
-#endif