1 files changed, 1 insertions, 9 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4a747a27a22f..78eb8552818b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -314,14 +314,6 @@ static struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
         return mem;
 }
 
-static bool mem_cgroup_is_obsolete(struct mem_cgroup *mem)
-{
-        if (!mem)
-                return true;
-        return css_is_removed(&mem->css);
-}
-
-
 /*
  * Call callback function against all cgroup under hierarchy tree.
  */
@@ -932,7 +924,7 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
         if (unlikely(!mem))
                 return 0;
 
-        VM_BUG_ON(!mem || mem_cgroup_is_obsolete(mem));
+        VM_BUG_ON(css_is_removed(&mem->css));
 
         while (1) {
                 int ret;