memcg: do not check for mm in __mem_cgroup_count_vm_event

[can-eth-gw-linux.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7f0e3571df7eef2ee6f132ab3ca62a6a1c1ba6a9..6c055929c8cc3250f895ca7e264fdeb0a8d4a934 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1021,9 +1021,6 @@ void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx)
 {
        struct mem_cgroup *memcg;
 
-       if (!mm)
-               return;
-
        rcu_read_lock();
        memcg = mem_cgroup_from_task(rcu_dereference(mm->owner));
        if (unlikely(!memcg))