diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 8d6cedd16f8d..c3b674f9774f 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1075,13 +1075,6 @@ struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm) { struct mem_cgroup *memcg = NULL; - if (!mm) - return NULL; - /* - * Because we have no locks, mm->owner's may be being moved to other - * cgroup. We use css_tryget() here even if this looks - * pessimistic (rather than adding locks here). - */ rcu_read_lock(); do { memcg = mem_cgroup_from_task(rcu_dereference(mm->owner)); |