diff options
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 70 |
1 files changed, 20 insertions, 50 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index dc005a0c96ae..6c488d6ac425 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -13,39 +13,6 @@ #include <linux/module.h> #include <linux/cpu.h> -void __get_zone_counts(unsigned long *active, unsigned long *inactive, - unsigned long *free, struct pglist_data *pgdat) -{ - struct zone *zones = pgdat->node_zones; - int i; - - *active = 0; - *inactive = 0; - *free = 0; - for (i = 0; i < MAX_NR_ZONES; i++) { - *active += zones[i].nr_active; - *inactive += zones[i].nr_inactive; - *free += zones[i].free_pages; - } -} - -void get_zone_counts(unsigned long *active, - unsigned long *inactive, unsigned long *free) -{ - struct pglist_data *pgdat; - - *active = 0; - *inactive = 0; - *free = 0; - for_each_online_pgdat(pgdat) { - unsigned long l, m, n; - __get_zone_counts(&l, &m, &n, pgdat); - *active += l; - *inactive += m; - *free += n; - } -} - #ifdef CONFIG_VM_EVENT_COUNTERS DEFINE_PER_CPU(struct vm_event_state, vm_event_states) = {{0}}; EXPORT_PER_CPU_SYMBOL(vm_event_states); @@ -239,7 +206,7 @@ EXPORT_SYMBOL(mod_zone_page_state); * in between and therefore the atomicity vs. interrupt cannot be exploited * in a useful way here. */ -static void __inc_zone_state(struct zone *zone, enum zone_stat_item item) +void __inc_zone_state(struct zone *zone, enum zone_stat_item item) { struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id()); s8 *p = pcp->vm_stat_diff + item; @@ -260,9 +227,8 @@ void __inc_zone_page_state(struct page *page, enum zone_stat_item item) } EXPORT_SYMBOL(__inc_zone_page_state); -void __dec_zone_page_state(struct page *page, enum zone_stat_item item) +void __dec_zone_state(struct zone *zone, enum zone_stat_item item) { - struct zone *zone = page_zone(page); struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id()); s8 *p = pcp->vm_stat_diff + item; @@ -275,6 +241,11 @@ void __dec_zone_page_state(struct page *page, enum zone_stat_item item) *p = overstep; } } + +void __dec_zone_page_state(struct page *page, enum zone_stat_item item) +{ + __dec_zone_state(page_zone(page), item); +} EXPORT_SYMBOL(__dec_zone_page_state); void inc_zone_state(struct zone *zone, enum zone_stat_item item) @@ -437,6 +408,12 @@ const struct seq_operations fragmentation_op = { .show = frag_show, }; +#ifdef CONFIG_ZONE_DMA +#define TEXT_FOR_DMA(xx) xx "_dma", +#else +#define TEXT_FOR_DMA(xx) +#endif + #ifdef CONFIG_ZONE_DMA32 #define TEXT_FOR_DMA32(xx) xx "_dma32", #else @@ -449,19 +426,22 @@ const struct seq_operations fragmentation_op = { #define TEXT_FOR_HIGHMEM(xx) #endif -#define TEXTS_FOR_ZONES(xx) xx "_dma", TEXT_FOR_DMA32(xx) xx "_normal", \ +#define TEXTS_FOR_ZONES(xx) TEXT_FOR_DMA(xx) TEXT_FOR_DMA32(xx) xx "_normal", \ TEXT_FOR_HIGHMEM(xx) static const char * const vmstat_text[] = { /* Zoned VM counters */ + "nr_free_pages", + "nr_active", + "nr_inactive", "nr_anon_pages", "nr_mapped", "nr_file_pages", + "nr_dirty", + "nr_writeback", "nr_slab_reclaimable", "nr_slab_unreclaimable", "nr_page_table_pages", - "nr_dirty", - "nr_writeback", "nr_unstable", "nr_bounce", "nr_vmscan_write", @@ -529,17 +509,13 @@ static int zoneinfo_show(struct seq_file *m, void *arg) "\n min %lu" "\n low %lu" "\n high %lu" - "\n active %lu" - "\n inactive %lu" "\n scanned %lu (a: %lu i: %lu)" "\n spanned %lu" "\n present %lu", - zone->free_pages, + zone_page_state(zone, NR_FREE_PAGES), zone->pages_min, zone->pages_low, zone->pages_high, - zone->nr_active, - zone->nr_inactive, zone->pages_scanned, zone->nr_scan_active, zone->nr_scan_inactive, zone->spanned_pages, @@ -563,12 +539,6 @@ static int zoneinfo_show(struct seq_file *m, void *arg) pageset = zone_pcp(zone, i); for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) { - if (pageset->pcp[j].count) - break; - } - if (j == ARRAY_SIZE(pageset->pcp)) - continue; - for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) { seq_printf(m, "\n cpu: %i pcp: %i" "\n count: %i" |