The global variable 'khugepaged_collapse_control' is not used outside of
mm/khugepaged.c. Make it static to limit its scope.

Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Shivank Garg <shivankg@amd.com>
---
 mm/khugepaged.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 1667abae6d8d..fba6aea5bea6 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -827,7 +827,7 @@ static void khugepaged_alloc_sleep(void)
 	remove_wait_queue(&khugepaged_wait, &wait);
 }
 
-struct collapse_control khugepaged_collapse_control = {
+static struct collapse_control khugepaged_collapse_control = {
 	.is_khugepaged = true,
 };
 
-- 
2.43.0