1 files changed, 10 insertions, 0 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 775121ae7a9b..93848b4c6944 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -2863,6 +2863,16 @@ void damon_update_region_access_rate(struct damon_region *r, bool accessed,
 		r->nr_accesses++;
 }
 
+/**
+ * damon_initialized() - Return if DAMON is ready to be used.
+ *
+ * Return: true if DAMON is ready to be used, false otherwise.
+ */
+bool damon_initialized(void)
+{
+	return damon_region_cache != NULL;
+}
+
 static int __init damon_init(void)
 {
 	damon_region_cache = KMEM_CACHE(damon_region, 0);