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

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
This commit is contained in:
Alexey Dobriyan 2008-10-06 04:13:52 +04:00
parent 5f6a6a9c4e
commit 8f32f7e5ac
3 changed files with 21 additions and 19 deletions
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14
fs/proc/proc_misc.c
View File

@ -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);

1
include/linux/vmstat.h
View File

@ -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;

25
mm/vmstat.c
View File

@ -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