1 files changed, 3 insertions, 2 deletions

diff --git a/arch/i386/lib/usercopy.c b/arch/i386/lib/usercopy.c
index 08502fc6d0cb..d22cfc9d656c 100644
--- a/arch/i386/lib/usercopy.c
+++ b/arch/i386/lib/usercopy.c
@@ -9,6 +9,7 @@
 #include <linux/highmem.h>
 #include <linux/blkdev.h>
 #include <linux/module.h>
+#include <linux/backing-dev.h>
 #include <asm/uaccess.h>
 #include <asm/mmx.h>
 
@@ -179,7 +180,7 @@ __clear_user(void __user *to, unsigned long n)
 EXPORT_SYMBOL(__clear_user);
 
 /**
- * strlen_user: - Get the size of a string in user space.
+ * strnlen_user: - Get the size of a string in user space.
  * @s: The string to measure.
  * @n: The maximum valid length
  *
@@ -741,7 +742,7 @@ survive:
 
                         if (retval == -ENOMEM && is_init(current)) {
                                 up_read(&current->mm->mmap_sem);
-                                blk_congestion_wait(WRITE, HZ/50);
+                                congestion_wait(WRITE, HZ/50);
                                 goto survive;
                         }