aboutsummaryrefslogtreecommitdiffstats
path: root/mm
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-05 20:13:52 -0400
committerAlexey Dobriyan <adobriyan@gmail.com>2008-10-23 08:12:04 -0400
commit8f32f7e5ac2ed11b0659b6b55af926f3d58ffd9d (patch)
treefa577deb5c664169ba3f7715006657fb7834ac32 /mm
parent5f6a6a9c4e4d790aae55cb412a7643329057c5e0 (diff)
proc: move /proc/buddyinfo boilerplate to mm/vmstat.c
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/vmstat.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 9343227c5c60..f45d7245a282 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -8,7 +8,7 @@
8 * Copyright (C) 2006 Silicon Graphics, Inc., 8 * Copyright (C) 2006 Silicon Graphics, Inc.,
9 * Christoph Lameter <christoph@lameter.com> 9 * Christoph Lameter <christoph@lameter.com>
10 */ 10 */
11 11#include <linux/fs.h>
12#include <linux/mm.h> 12#include <linux/mm.h>
13#include <linux/err.h> 13#include <linux/err.h>
14#include <linux/module.h> 14#include <linux/module.h>
@@ -384,7 +384,7 @@ void zone_statistics(struct zone *preferred_zone, struct zone *z)
384#endif 384#endif
385 385
386#ifdef CONFIG_PROC_FS 386#ifdef CONFIG_PROC_FS
387 387#include <linux/proc_fs.h>
388#include <linux/seq_file.h> 388#include <linux/seq_file.h>
389 389
390static char * const migratetype_names[MIGRATE_TYPES] = { 390static char * const migratetype_names[MIGRATE_TYPES] = {
@@ -581,13 +581,25 @@ static int pagetypeinfo_show(struct seq_file *m, void *arg)
581 return 0; 581 return 0;
582} 582}
583 583
584const struct seq_operations fragmentation_op = { 584static const struct seq_operations fragmentation_op = {
585 .start = frag_start, 585 .start = frag_start,
586 .next = frag_next, 586 .next = frag_next,
587 .stop = frag_stop, 587 .stop = frag_stop,
588 .show = frag_show, 588 .show = frag_show,
589}; 589};
590 590
591static int fragmentation_open(struct inode *inode, struct file *file)
592{
593 return seq_open(file, &fragmentation_op);
594}
595
596static const struct file_operations fragmentation_file_operations = {
597 .open = fragmentation_open,
598 .read = seq_read,
599 .llseek = seq_lseek,
600 .release = seq_release,
601};
602
591const struct seq_operations pagetypeinfo_op = { 603const struct seq_operations pagetypeinfo_op = {
592 .start = frag_start, 604 .start = frag_start,
593 .next = frag_next, 605 .next = frag_next,
@@ -898,9 +910,11 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
898 910
899static struct notifier_block __cpuinitdata vmstat_notifier = 911static struct notifier_block __cpuinitdata vmstat_notifier =
900 { &vmstat_cpuup_callback, NULL, 0 }; 912 { &vmstat_cpuup_callback, NULL, 0 };
913#endif
901 914
902static int __init setup_vmstat(void) 915static int __init setup_vmstat(void)
903{ 916{
917#ifdef CONFIG_SMP
904 int cpu; 918 int cpu;
905 919
906 refresh_zone_stat_thresholds(); 920 refresh_zone_stat_thresholds();
@@ -908,7 +922,10 @@ static int __init setup_vmstat(void)
908 922
909 for_each_online_cpu(cpu) 923 for_each_online_cpu(cpu)
910 start_cpu_timer(cpu); 924 start_cpu_timer(cpu);
925#endif
926#ifdef CONFIG_PROC_FS
927 proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
928#endif
911 return 0; 929 return 0;
912} 930}
913module_init(setup_vmstat) 931module_init(setup_vmstat)
914#endif