}
}
+static void update_page_reclaim_stat(struct zone *zone, struct page *page,
+ int file, int rotated)
+{
+ struct zone_reclaim_stat *reclaim_stat = &zone->reclaim_stat;
+ struct zone_reclaim_stat *memcg_reclaim_stat;
+
+ memcg_reclaim_stat = mem_cgroup_get_reclaim_stat_from_page(page);
+
+ reclaim_stat->recent_scanned[file]++;
+ if (rotated)
+ reclaim_stat->recent_rotated[file]++;
+
+ if (!memcg_reclaim_stat)
+ return;
+
+ memcg_reclaim_stat->recent_scanned[file]++;
+ if (rotated)
+ memcg_reclaim_stat->recent_rotated[file]++;
+}
+
/*
* FIXME: speed this up?
*/
lru += LRU_ACTIVE;
add_page_to_lru_list(zone, page, lru);
__count_vm_event(PGACTIVATE);
- mem_cgroup_move_lists(page, lru);
- zone->recent_rotated[!!file]++;
- zone->recent_scanned[!!file]++;
+ update_page_reclaim_stat(zone, page, !!file, 1);
}
spin_unlock_irq(&zone->lru_lock);
}
spin_unlock_irq(&zone->lru_lock);
}
-/**
- * lru_cache_add_active_or_unevictable
- * @page: the page to be added to LRU
- * @vma: vma in which page is mapped for determining reclaimability
- *
- * place @page on active or unevictable LRU list, depending on
- * page_evictable(). Note that if the page is not evictable,
- * it goes directly back onto it's zone's unevictable list. It does
- * NOT use a per cpu pagevec.
- */
-void lru_cache_add_active_or_unevictable(struct page *page,
- struct vm_area_struct *vma)
-{
- if (page_evictable(page, vma))
- lru_cache_add_lru(page, LRU_ACTIVE + page_is_file_cache(page));
- else
- add_page_to_unevictable_list(page);
-}
-
/*
* Drain pages out of the cpu's pagevecs.
* Either "cpu" is the current CPU, and preemption has already been
EXPORT_SYMBOL(__pagevec_release);
-/*
- * pagevec_release() for pages which are known to not be on the LRU
- *
- * This function reinitialises the caller's pagevec.
- */
-void __pagevec_release_nonlru(struct pagevec *pvec)
-{
- int i;
- struct pagevec pages_to_free;
-
- pagevec_init(&pages_to_free, pvec->cold);
- for (i = 0; i < pagevec_count(pvec); i++) {
- struct page *page = pvec->pages[i];
-
- VM_BUG_ON(PageLRU(page));
- if (put_page_testzero(page))
- pagevec_add(&pages_to_free, page);
- }
- pagevec_free(&pages_to_free);
- pagevec_reinit(pvec);
-}
-
/*
* Add the passed pages to the LRU, then drop the caller's refcount
* on them. Reinitialises the caller's pagevec.
{
int i;
struct zone *zone = NULL;
+
VM_BUG_ON(is_unevictable_lru(lru));
for (i = 0; i < pagevec_count(pvec); i++) {
struct page *page = pvec->pages[i];
struct zone *pagezone = page_zone(page);
int file;
+ int active;
if (pagezone != zone) {
if (zone)
VM_BUG_ON(PageUnevictable(page));
VM_BUG_ON(PageLRU(page));
SetPageLRU(page);
+ active = is_active_lru(lru);
file = is_file_lru(lru);
- zone->recent_scanned[file]++;
- if (is_active_lru(lru)) {
+ if (active)
SetPageActive(page);
- zone->recent_rotated[file]++;
- }
+ update_page_reclaim_stat(zone, page, file, active);
add_page_to_lru_list(zone, page, lru);
}
if (zone)
for (i = 0; i < pagevec_count(pvec); i++) {
struct page *page = pvec->pages[i];
- if (PagePrivate(page) && trylock_page(page)) {
- if (PagePrivate(page))
+ if (page_has_private(page) && trylock_page(page)) {
+ if (page_has_private(page))
try_to_release_page(page, 0);
unlock_page(page);
}
}
}
-/**
- * pagevec_swap_free - try to free swap space from the pages in a pagevec
- * @pvec: pagevec with swapcache pages to free the swap space of
- *
- * The caller needs to hold an extra reference to each page and
- * not hold the page lock on the pages. This function uses a
- * trylock on the page lock so it may not always free the swap
- * space associated with a page.
- */
-void pagevec_swap_free(struct pagevec *pvec)
-{
- int i;
-
- for (i = 0; i < pagevec_count(pvec); i++) {
- struct page *page = pvec->pages[i];
-
- if (PageSwapCache(page) && trylock_page(page)) {
- if (PageSwapCache(page))
- remove_exclusive_swap_page_ref(page);
- unlock_page(page);
- }
- }
-}
-
/**
* pagevec_lookup - gang pagecache lookup
* @pvec: Where the resulting pages are placed