2 files changed, 6 insertions, 5 deletions
diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py
index 8e253cb518..b2504c2fad 100644
--- a/synapse/util/caches/__init__.py
+++ b/synapse/util/caches/__init__.py
@@ -24,6 +24,11 @@ from synapse.config.cache import add_resizable_cache
 
 logger = logging.getLogger(__name__)
 
+
+# Whether to track estimated memory usage of the LruCaches.
+TRACK_MEMORY_USAGE = False
+
+
 caches_by_name = {}  # type: Dict[str, Sized]
 collectors_by_name = {}  # type: Dict[str, CacheMetric]
 
diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py
index 1719b0a1ca..5fc26cedd2 100644
--- a/synapse/util/caches/lrucache.py
+++ b/synapse/util/caches/lrucache.py
@@ -30,7 +30,7 @@ from typing import (
 from typing_extensions import Literal
 
 from synapse.config import cache as cache_config
-from synapse.util.caches import CacheMetric, register_cache
+from synapse.util.caches import TRACK_MEMORY_USAGE, CacheMetric, register_cache
 from synapse.util.caches.treecache import TreeCache
 
 try:
@@ -59,10 +59,6 @@ except ImportError:
         return 0
 
 
-# Whether to track estimated memory usage of the LruCaches.
-TRACK_MEMORY_USAGE = False
-
-
 # Function type: the type used for invalidation callbacks
 FT = TypeVar("FT", bound=Callable[..., Any])