aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/mm_inline.h13
-rw-r--r--include/linux/mmzone.h4
-rw-r--r--include/linux/vmstat.h9
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)
{