[RFC PATCH] mm/gup: try_pin_compound_head() can be static

[kbuild test robot <lkp@xxxxxxxxx>]

Fixes: 8086d1c61970 ("mm/gup: track FOLL_PIN pages")
Signed-off-by: kbuild test robot <lkp@xxxxxxxxx>
---
 gup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/gup.c b/mm/gup.c
index 038b71165a761..849a6f55938e6 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -75,7 +75,7 @@ static inline struct page *try_get_compound_head(struct page *page, int refs)
  * @Return:	the compound head page, with ref appropriately incremented,
  * or NULL upon failure.
  */
-__must_check struct page *try_pin_compound_head(struct page *page, int refs)
+static __must_check struct page *try_pin_compound_head(struct page *page, int refs)
 {
 	struct page *head = try_get_compound_head(page,
 						  GUP_PIN_COUNTING_BIAS * refs);