mm: vmpressure: use mem_cgroup_is_root API

[linux-2.6-microblaze.git] / mm / vmpressure.c

diff --git a/mm/vmpressure.c b/mm/vmpressure.c
index 0590f00..d69019f 100644 (file)
--- a/mm/vmpressure.c
+++ b/mm/vmpressure.c
@@ -280,7 +280,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree,
                enum vmpressure_levels level;
 
                /* For now, no users for root-level efficiency */
-               if (!memcg || memcg == root_mem_cgroup)
+               if (!memcg || mem_cgroup_is_root(memcg))
                        return;
 
                spin_lock(&vmpr->sr_lock);