diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ae1f5d0cb581..eb8e87c4833f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3574,7 +3574,8 @@ static unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap)
 	unsigned long val;
 
 	if (mem_cgroup_is_root(memcg)) {
-		cgroup_rstat_flush(memcg->css.cgroup);
+		/* mem_cgroup_threshold() calls here from irqsafe context */
+		cgroup_rstat_flush_irqsafe(memcg->css.cgroup);
 		val = memcg_page_state(memcg, NR_FILE_PAGES) +
 			memcg_page_state(memcg, NR_ANON_MAPPED);
 		if (swap)