aboutsummaryrefslogtreecommitdiff
path: root/mm/vmstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c52
1 files changed, 18 insertions, 34 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 5e241434cab2..3fb23a21f6dd 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -76,7 +76,7 @@ static void invalid_numa_statistics(void)
static DEFINE_MUTEX(vm_numa_stat_lock);
int sysctl_vm_numa_stat_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int ret, oldval;
@@ -1203,6 +1203,10 @@ const char * const vmstat_text[] = {
"pgscan_kswapd",
"pgscan_direct",
"pgscan_direct_throttle",
+ "pgscan_anon",
+ "pgscan_file",
+ "pgsteal_anon",
+ "pgsteal_file",
#ifdef CONFIG_NUMA
"zone_reclaim_failed",
@@ -1592,6 +1596,12 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
zone->present_pages,
zone_managed_pages(zone));
+ /* If unpopulated, no other information is useful */
+ if (!populated_zone(zone)) {
+ seq_putc(m, '\n');
+ return;
+ }
+
seq_printf(m,
"\n protection: (%ld",
zone->lowmem_reserve[0]);
@@ -1599,12 +1609,6 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
seq_printf(m, ", %ld", zone->lowmem_reserve[i]);
seq_putc(m, ')');
- /* If unpopulated, no other information is useful */
- if (!populated_zone(zone)) {
- seq_putc(m, '\n');
- return;
- }
-
for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
seq_printf(m, "\n %-12s %lu", zone_stat_name(i),
zone_page_state(zone, i));
@@ -1761,7 +1765,7 @@ static void refresh_vm_stats(struct work_struct *work)
}
int vmstat_refresh(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
long val;
int err;
@@ -2065,24 +2069,14 @@ static int unusable_show(struct seq_file *m, void *arg)
return 0;
}
-static const struct seq_operations unusable_op = {
+static const struct seq_operations unusable_sops = {
.start = frag_start,
.next = frag_next,
.stop = frag_stop,
.show = unusable_show,
};
-static int unusable_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &unusable_op);
-}
-
-static const struct file_operations unusable_file_ops = {
- .open = unusable_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(unusable);
static void extfrag_show_print(struct seq_file *m,
pg_data_t *pgdat, struct zone *zone)
@@ -2117,24 +2111,14 @@ static int extfrag_show(struct seq_file *m, void *arg)
return 0;
}
-static const struct seq_operations extfrag_op = {
+static const struct seq_operations extfrag_sops = {
.start = frag_start,
.next = frag_next,
.stop = frag_stop,
.show = extfrag_show,
};
-static int extfrag_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &extfrag_op);
-}
-
-static const struct file_operations extfrag_file_ops = {
- .open = extfrag_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(extfrag);
static int __init extfrag_debug_init(void)
{
@@ -2143,10 +2127,10 @@ static int __init extfrag_debug_init(void)
extfrag_debug_root = debugfs_create_dir("extfrag", NULL);
debugfs_create_file("unusable_index", 0444, extfrag_debug_root, NULL,
- &unusable_file_ops);
+ &unusable_fops);
debugfs_create_file("extfrag_index", 0444, extfrag_debug_root, NULL,
- &extfrag_file_ops);
+ &extfrag_fops);
return 0;
}