diff --git a/[refs] b/[refs]
index 5fc0cc23c9a9..2ea58a513322 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2f6f6c6b5c4774cfdbe759eea1f5203a4b26fe6f
+refs/heads/master: b52bb3712a64c404846f30300b339cfd01e316be
diff --git a/trunk/init/initramfs.c b/trunk/init/initramfs.c
index 80cd713f6cc5..e44f2d932cc4 100644
--- a/trunk/init/initramfs.c
+++ b/trunk/init/initramfs.c
@@ -515,6 +515,7 @@ static void __init free_initrd(void)
 	initrd_end = 0;
 }
 
+#ifdef CONFIG_BLK_DEV_RAM
 #define BUF_SIZE 1024
 static void __init clean_rootfs(void)
 {
@@ -561,6 +562,7 @@ static void __init clean_rootfs(void)
 	sys_close(fd);
 	kfree(buf);
 }
+#endif
 
 static int __init populate_rootfs(void)
 {