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-rw-r--r--lib/strnlen_user.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
index 28ff554a1be8..6c0005d5dd5c 100644
--- a/lib/strnlen_user.c
+++ b/lib/strnlen_user.c
@@ -3,16 +3,10 @@
#include <linux/export.h>
#include <linux/uaccess.h>
#include <linux/mm.h>
+#include <linux/bitops.h>
#include <asm/word-at-a-time.h>
-/* Set bits in the first 'n' bytes when loaded from memory */
-#ifdef __LITTLE_ENDIAN
-# define aligned_byte_mask(n) ((1ul << 8*(n))-1)
-#else
-# define aligned_byte_mask(n) (~0xfful << (BITS_PER_LONG - 8 - 8*(n)))
-#endif
-
/*
* Do a strnlen, return length of string *with* final '\0'.
* 'count' is the user-supplied count, while 'max' is the