From 871d6b7c744962aa6f1a468fb05f880b41a39c9e Mon Sep 17 00:00:00 2001
From: Lu Fang <30275821+houseroad@users.noreply.github.com>
Date: Wed, 11 Jun 2025 17:29:54 +0800
Subject: [PATCH] [Misc] Reduce warning message introduced in env_override
 (#19476)

Signed-off-by: Lu Fang <lufang@fb.com>
---
 vllm/env_override.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vllm/env_override.py b/vllm/env_override.py
index 2bede4963f964..ef425d433320d 100644
--- a/vllm/env_override.py
+++ b/vllm/env_override.py
@@ -13,7 +13,7 @@ logger = init_logger(__name__)
 # that interact with vllm workers.
 # they are executed whenever `import vllm` is called.
 
-if 'NCCL_CUMEM_ENABLE' in os.environ:
+if os.environ.get('NCCL_CUMEM_ENABLE', '0') != '0':
     logger.warning(
         "NCCL_CUMEM_ENABLE is set to %s, skipping override. "
         "This may increase memory overhead with cudagraph+allreduce: "