Merge branch 'auto' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile...

[firefly-linux-kernel-4.4.55.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 78eb8552818b6b94d4add7ec06ecdc881add1f67..70db6e0a5eece0a3a6d40f2089d91271968c3361 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -570,6 +570,17 @@ int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg)
        return 0;
 }
 
+int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg)
+{
+       unsigned long active;
+       unsigned long inactive;
+
+       inactive = mem_cgroup_get_local_zonestat(memcg, LRU_INACTIVE_FILE);
+       active = mem_cgroup_get_local_zonestat(memcg, LRU_ACTIVE_FILE);
+
+       return (active > inactive);
+}
+
 unsigned long mem_cgroup_zone_nr_pages(struct mem_cgroup *memcg,
                                       struct zone *zone,
                                       enum lru_list lru)