diff options
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r-- | mm/vmstat.c | 130 |
1 files changed, 65 insertions, 65 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 1284f89..4f5cd97 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -17,6 +17,9 @@ #include <linux/cpu.h> #include <linux/cpumask.h> #include <linux/vmstat.h> +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#include <linux/debugfs.h> #include <linux/sched.h> #include <linux/math64.h> #include <linux/writeback.h> @@ -670,66 +673,6 @@ int fragmentation_index(struct zone *zone, unsigned int order) } #endif -#if defined(CONFIG_PROC_FS) || defined(CONFIG_COMPACTION) -#include <linux/proc_fs.h> -#include <linux/seq_file.h> - -static char * const migratetype_names[MIGRATE_TYPES] = { - "Unmovable", - "Reclaimable", - "Movable", - "Reserve", -#ifdef CONFIG_CMA - "CMA", -#endif -#ifdef CONFIG_MEMORY_ISOLATION - "Isolate", -#endif -}; - -static void *frag_start(struct seq_file *m, loff_t *pos) -{ - pg_data_t *pgdat; - loff_t node = *pos; - for (pgdat = first_online_pgdat(); - pgdat && node; - pgdat = next_online_pgdat(pgdat)) - --node; - - return pgdat; -} - -static void *frag_next(struct seq_file *m, void *arg, loff_t *pos) -{ - pg_data_t *pgdat = (pg_data_t *)arg; - - (*pos)++; - return next_online_pgdat(pgdat); -} - -static void frag_stop(struct seq_file *m, void *arg) -{ -} - -/* Walk all the zones in a node and print using a callback */ -static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat, - void (*print)(struct seq_file *m, pg_data_t *, struct zone *)) -{ - struct zone *zone; - struct zone *node_zones = pgdat->node_zones; - unsigned long flags; - - for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) { - if (!populated_zone(zone)) - continue; - - spin_lock_irqsave(&zone->lock, flags); - print(m, pgdat, zone); - spin_unlock_irqrestore(&zone->lock, flags); - } -} -#endif - #if defined(CONFIG_PROC_FS) || defined(CONFIG_SYSFS) || defined(CONFIG_NUMA) #ifdef CONFIG_ZONE_DMA #define TEXT_FOR_DMA(xx) xx "_dma", @@ -907,7 +850,66 @@ const char * const vmstat_text[] = { #endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA */ +#if (defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION)) || \ + defined(CONFIG_PROC_FS) +static void *frag_start(struct seq_file *m, loff_t *pos) +{ + pg_data_t *pgdat; + loff_t node = *pos; + + for (pgdat = first_online_pgdat(); + pgdat && node; + pgdat = next_online_pgdat(pgdat)) + --node; + + return pgdat; +} + +static void *frag_next(struct seq_file *m, void *arg, loff_t *pos) +{ + pg_data_t *pgdat = (pg_data_t *)arg; + + (*pos)++; + return next_online_pgdat(pgdat); +} + +static void frag_stop(struct seq_file *m, void *arg) +{ +} + +/* Walk all the zones in a node and print using a callback */ +static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat, + void (*print)(struct seq_file *m, pg_data_t *, struct zone *)) +{ + struct zone *zone; + struct zone *node_zones = pgdat->node_zones; + unsigned long flags; + + for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) { + if (!populated_zone(zone)) + continue; + + spin_lock_irqsave(&zone->lock, flags); + print(m, pgdat, zone); + spin_unlock_irqrestore(&zone->lock, flags); + } +} +#endif + #ifdef CONFIG_PROC_FS +static char * const migratetype_names[MIGRATE_TYPES] = { + "Unmovable", + "Reclaimable", + "Movable", + "Reserve", +#ifdef CONFIG_CMA + "CMA", +#endif +#ifdef CONFIG_MEMORY_ISOLATION + "Isolate", +#endif +}; + static void frag_show_print(struct seq_file *m, pg_data_t *pgdat, struct zone *zone) { @@ -1435,8 +1437,8 @@ static void vmstat_shepherd(struct work_struct *w) if (need_update(cpu) && cpumask_test_and_clear_cpu(cpu, cpu_stat_off)) - schedule_delayed_work_on(cpu, &per_cpu(vmstat_work, cpu), - __round_jiffies_relative(sysctl_stat_interval, cpu)); + schedule_delayed_work_on(cpu, + &per_cpu(vmstat_work, cpu), 0); put_online_cpus(); @@ -1450,7 +1452,7 @@ static void __init start_shepherd_timer(void) int cpu; for_each_possible_cpu(cpu) - INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu), + INIT_DELAYED_WORK(per_cpu_ptr(&vmstat_work, cpu), vmstat_update); if (!alloc_cpumask_var(&cpu_stat_off, GFP_KERNEL)) @@ -1536,8 +1538,6 @@ static int __init setup_vmstat(void) module_init(setup_vmstat) #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION) -#include <linux/debugfs.h> - /* * Return an index indicating how much of the available free memory is |