[RFC PATCH] ksm: fasthash() can be static

[kbuild test robot]

Fixes: 038adb295b0c ("ksm: replace jhash2 with faster hash")
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 ksm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index ac2aa49..1c2619cbc3 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -374,7 +374,7 @@ static void __init choice_fastest_hash(void)
 	kfree(page);
 }
 
-unsigned long fasthash(const void *input, size_t length)
+static unsigned long fasthash(const void *input, size_t length)
 {
 	unsigned long checksum = 0;