1 files changed, 1 insertions, 1 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 2d978b28a410..7f63a9381f71 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -175,7 +175,7 @@ static bool sane_reclaim(struct scan_control *sc)
         if (!memcg)
                 return true;
 #ifdef CONFIG_CGROUP_WRITEBACK
-        if (memcg->css.cgroup)
+        if (cgroup_on_dfl(memcg->css.cgroup))
                 return true;
 #endif
         return false;