memcg: synchronized LRU
[linux-2.6.git] / mm / vmscan.c
index f63b20d..45983af 100644 (file)
@@ -512,7 +512,6 @@ redo:
                lru = LRU_UNEVICTABLE;
                add_page_to_unevictable_list(page);
        }
-       mem_cgroup_move_lists(page, lru);
 
        /*
         * page's status can change while we move it among lru. If an evictable
@@ -547,7 +546,6 @@ void putback_lru_page(struct page *page)
 
        lru = !!TestClearPageActive(page) + page_is_file_cache(page);
        lru_cache_add_lru(page, lru);
-       mem_cgroup_move_lists(page, lru);
        put_page(page);
 }
 #endif /* CONFIG_UNEVICTABLE_LRU */
@@ -813,6 +811,7 @@ int __isolate_lru_page(struct page *page, int mode, int file)
                return ret;
 
        ret = -EBUSY;
+
        if (likely(get_page_unless_zero(page))) {
                /*
                 * Be careful not to clear PageLRU until after we're
@@ -821,6 +820,7 @@ int __isolate_lru_page(struct page *page, int mode, int file)
                 */
                ClearPageLRU(page);
                ret = 0;
+               mem_cgroup_del_lru(page);
        }
 
        return ret;
@@ -1134,7 +1134,6 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
                        SetPageLRU(page);
                        lru = page_lru(page);
                        add_page_to_lru_list(zone, page, lru);
-                       mem_cgroup_move_lists(page, lru);
                        if (PageActive(page) && scan_global_lru(sc)) {
                                int file = !!page_is_file_cache(page);
                                zone->recent_rotated[file]++;
@@ -1263,7 +1262,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
                ClearPageActive(page);
 
                list_move(&page->lru, &zone->lru[lru].list);
-               mem_cgroup_move_lists(page, lru);
+               mem_cgroup_add_lru_list(page, lru);
                pgmoved++;
                if (!pagevec_add(&pvec, page)) {
                        __mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
@@ -2408,6 +2407,7 @@ retry:
 
                __dec_zone_state(zone, NR_UNEVICTABLE);
                list_move(&page->lru, &zone->lru[l].list);
+               mem_cgroup_move_lists(page, LRU_UNEVICTABLE, l);
                __inc_zone_state(zone, NR_INACTIVE_ANON + l);
                __count_vm_event(UNEVICTABLE_PGRESCUED);
        } else {
@@ -2416,6 +2416,7 @@ retry:
                 */
                SetPageUnevictable(page);
                list_move(&page->lru, &zone->lru[LRU_UNEVICTABLE].list);
+               mem_cgroup_rotate_lru_list(page, LRU_UNEVICTABLE);
                if (page_evictable(page, NULL))
                        goto retry;
        }