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-rw-r--r--mm/vmpressure.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmpressure.c b/mm/vmpressure.c
index 506f03e4be47..9a6c0704211c 100644
--- a/mm/vmpressure.c
+++ b/mm/vmpressure.c
@@ -260,7 +260,7 @@ 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 == root_mem_cgroup)
+ if (!memcg || memcg == root_mem_cgroup)
return;
spin_lock(&vmpr->sr_lock);