On 12/17/19 12:03 AM, kbuild test robot wrote:
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);
Yes, it should have been declared static. And this also applies to the latest version
(v11). The preferred fix would stay within 80 columns, like this:
diff --git a/mm/gup.c b/mm/gup.c
index c2793a86450e..39b2f683bd2e 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -75,7 +75,8 @@ 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);
thanks,
--
John Hubbard
NVIDIA
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