diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mm_inline.h | 13 | ||||
-rw-r--r-- | include/linux/mmzone.h | 4 | ||||
-rw-r--r-- | include/linux/vmstat.h | 9 |
3 files changed, 17 insertions, 9 deletions
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index 3b6723dfaff..895bc4e9303 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -1,30 +1,29 @@ - static inline void add_page_to_active_list(struct zone *zone, struct page *page) { list_add(&page->lru, &zone->active_list); - zone->nr_active++; + __inc_zone_state(zone, NR_ACTIVE); } static inline void add_page_to_inactive_list(struct zone *zone, struct page *page) { list_add(&page->lru, &zone->inactive_list); - zone->nr_inactive++; + __inc_zone_state(zone, NR_INACTIVE); } static inline void del_page_from_active_list(struct zone *zone, struct page *page) { list_del(&page->lru); - zone->nr_active--; + __dec_zone_state(zone, NR_ACTIVE); } static inline void del_page_from_inactive_list(struct zone *zone, struct page *page) { list_del(&page->lru); - zone->nr_inactive--; + __dec_zone_state(zone, NR_INACTIVE); } static inline void @@ -33,9 +32,9 @@ del_page_from_lru(struct zone *zone, struct page *page) list_del(&page->lru); if (PageActive(page)) { __ClearPageActive(page); - zone->nr_active--; + __dec_zone_state(zone, NR_ACTIVE); } else { - zone->nr_inactive--; + __dec_zone_state(zone, NR_INACTIVE); } } diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index b262f47961f..9137d1b9735 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -47,6 +47,8 @@ struct zone_padding { #endif enum zone_stat_item { + NR_INACTIVE, + NR_ACTIVE, NR_ANON_PAGES, /* Mapped anonymous pages */ NR_FILE_MAPPED, /* pagecache pages mapped into pagetables. only modified from process context */ @@ -197,8 +199,6 @@ struct zone { struct list_head inactive_list; unsigned long nr_scan_active; unsigned long nr_scan_inactive; - unsigned long nr_active; - unsigned long nr_inactive; unsigned long pages_scanned; /* since last reclaim */ int all_unreclaimable; /* All pages pinned */ diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 5e9803ed17f..c8d55bcc09b 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -186,6 +186,9 @@ void inc_zone_page_state(struct page *, enum zone_stat_item); void dec_zone_page_state(struct page *, enum zone_stat_item); extern void inc_zone_state(struct zone *, enum zone_stat_item); +extern void __inc_zone_state(struct zone *, enum zone_stat_item); +extern void dec_zone_state(struct zone *, enum zone_stat_item); +extern void __dec_zone_state(struct zone *, enum zone_stat_item); void refresh_cpu_vm_stats(int); void refresh_vm_stats(void); @@ -214,6 +217,12 @@ static inline void __inc_zone_page_state(struct page *page, __inc_zone_state(page_zone(page), item); } +static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) +{ + atomic_long_dec(&zone->vm_stat[item]); + atomic_long_dec(&vm_stat[item]); +} + static inline void __dec_zone_page_state(struct page *page, enum zone_stat_item item) { |