diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index ad3f57c..df6b83c 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -1981,7 +1981,7 @@ int ext4_reserve_init(struct super_block *sb)
 	struct ext4_reservation_slot *rs;
 	int i;
 
-	rs = percpu_alloc(sizeof(struct ext4_reservation_slot), GFP_KERNEL);
+	rs = alloc_percpu(struct ext4_reservation_slot);
 	if (rs == NULL)
 		return -ENOMEM;
 	sbi->s_reservation_slots = rs;