diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c
index 2a532e3983df..7b8fce2f67a8 100644
--- a/mm/damon/lru_sort.c
+++ b/mm/damon/lru_sort.c
@@ -8,6 +8,7 @@
 #define pr_fmt(fmt) "damon-lru-sort: " fmt
 
 #include <linux/damon.h>
+#include <linux/kstrtox.h>
 #include <linux/module.h>
 
 #include "modules-common.h"
@@ -241,7 +242,7 @@ static int damon_lru_sort_enabled_store(const char *val,
 	bool enable;
 	int err;
 
-	err = strtobool(val, &enable);
+	err = kstrtobool(val, &enable);
 	if (err)
 		return err;
 
diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index e57604bec06d..e82631f39481 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -8,6 +8,7 @@
 #define pr_fmt(fmt) "damon-reclaim: " fmt
 
 #include <linux/damon.h>
+#include <linux/kstrtox.h>
 #include <linux/module.h>
 
 #include "modules-common.h"
@@ -187,7 +188,7 @@ static int damon_reclaim_enabled_store(const char *val,
 	bool enable;
 	int err;
 
-	err = strtobool(val, &enable);
+	err = kstrtobool(val, &enable);
 	if (err)
 		return err;