diff --git a/include/linux/jhash.h b/include/linux/jhash.h
index 82c7ae412eece2f25ae413daf6f4d5794b60b92e..2a2f99fbcb16ef6336ee17e66f539b5c3d4f194e 100644
--- a/include/linux/jhash.h
+++ b/include/linux/jhash.h
@@ -84,7 +84,7 @@ static inline u32 jhash(const void *key, u32 length, u32 initval)
 /* A special optimized version that handles 1 or more of u32s.
  * The length parameter here is the number of u32s in the key.
  */
-static inline u32 jhash2(u32 *k, u32 length, u32 initval)
+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
 {
 	u32 a, b, c, len;