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https://github.com/torvalds/linux
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proc: move /proc/buddyinfo boilerplate to mm/vmstat.c
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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5f6a6a9c4e
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@ -57,19 +57,6 @@
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#include <asm/div64.h>
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#include "internal.h"
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static int fragmentation_open(struct inode *inode, struct file *file)
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{
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(void)inode;
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return seq_open(file, &fragmentation_op);
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}
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static const struct file_operations fragmentation_file_operations = {
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.open = fragmentation_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int pagetypeinfo_open(struct inode *inode, struct file *file)
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{
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return seq_open(file, &pagetypeinfo_op);
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@ -270,7 +257,6 @@ void __init proc_misc_init(void)
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proc_symlink("mounts", NULL, "self/mounts");
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/* And now for trickier ones */
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proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
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proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
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proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
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proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
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@ -54,7 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
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NR_VM_EVENT_ITEMS
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};
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extern const struct seq_operations fragmentation_op;
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extern const struct seq_operations pagetypeinfo_op;
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extern const struct seq_operations zoneinfo_op;
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extern const struct seq_operations vmstat_op;
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25
mm/vmstat.c
25
mm/vmstat.c
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@ -8,7 +8,7 @@
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* Copyright (C) 2006 Silicon Graphics, Inc.,
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* Christoph Lameter <christoph@lameter.com>
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*/
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <linux/err.h>
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#include <linux/module.h>
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@ -384,7 +384,7 @@ void zone_statistics(struct zone *preferred_zone, struct zone *z)
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#endif
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#ifdef CONFIG_PROC_FS
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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static char * const migratetype_names[MIGRATE_TYPES] = {
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@ -581,13 +581,25 @@ static int pagetypeinfo_show(struct seq_file *m, void *arg)
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return 0;
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}
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const struct seq_operations fragmentation_op = {
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static const struct seq_operations fragmentation_op = {
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.start = frag_start,
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.next = frag_next,
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.stop = frag_stop,
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.show = frag_show,
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};
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static int fragmentation_open(struct inode *inode, struct file *file)
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{
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return seq_open(file, &fragmentation_op);
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}
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static const struct file_operations fragmentation_file_operations = {
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.open = fragmentation_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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const struct seq_operations pagetypeinfo_op = {
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.start = frag_start,
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.next = frag_next,
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@ -898,9 +910,11 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
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static struct notifier_block __cpuinitdata vmstat_notifier =
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{ &vmstat_cpuup_callback, NULL, 0 };
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#endif
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static int __init setup_vmstat(void)
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{
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#ifdef CONFIG_SMP
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int cpu;
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refresh_zone_stat_thresholds();
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@ -908,7 +922,10 @@ static int __init setup_vmstat(void)
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for_each_online_cpu(cpu)
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start_cpu_timer(cpu);
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#endif
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#ifdef CONFIG_PROC_FS
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proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
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#endif
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return 0;
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}
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module_init(setup_vmstat)
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#endif
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