diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c
index cfdf63132d5a..3b55a1b219b5 100644
--- a/mm/damon/dbgfs.c
+++ b/mm/damon/dbgfs.c
@@ -1044,7 +1044,7 @@ static int __init __damon_dbgfs_init(void)
 				fops[i]);
 	dbgfs_fill_ctx_dir(dbgfs_root, dbgfs_ctxs[0]);
 
-	dbgfs_dirs = kmalloc_array(1, sizeof(dbgfs_root), GFP_KERNEL);
+	dbgfs_dirs = kmalloc(sizeof(dbgfs_root), GFP_KERNEL);
 	if (!dbgfs_dirs) {
 		debugfs_remove(dbgfs_root);
 		return -ENOMEM;