diff --git a/kernel/module.c b/kernel/module.c
index 2461370..d7a9268 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1225,6 +1225,12 @@
 	const unsigned long *crc;
 	int err;
 
+	/*
+	 * The module_mutex should not be a heavily contended lock;
+	 * if we get the occasional sleep here, we'll go an extra iteration
+	 * in the wait_event_interruptible(), which is harmless.
+	 */
+	sched_annotate_sleep();
 	mutex_lock(&module_mutex);
 	sym = find_symbol(name, &owner, &crc,
 			  !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true);