[RFC 8/8] mm/damon/core: mark damon_moving_sum() as a static function

[SeongJae Park]

The function is used by only mm/damon/core.c.  Mark it as a static
function.

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
 include/linux/damon.h | 2 --
 mm/damon/core.c       | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/damon.h b/include/linux/damon.h
index 0fe13482df63..491fdd3e4c76 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -632,8 +632,6 @@ void damon_add_region(struct damon_region *r, struct damon_target *t);
 void damon_destroy_region(struct damon_region *r, struct damon_target *t);
 int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges,
 		unsigned int nr_ranges);
-unsigned int damon_moving_sum(unsigned int mvsum, unsigned int nomvsum,
-		unsigned int len_window, unsigned int new_value);
 void damon_update_region_access_rate(struct damon_region *r, bool accessed,
 		struct damon_attrs *attrs);
 
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 1ba7c4669263..83b0cd329e84 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1627,7 +1627,7 @@ int damon_set_region_biggest_system_ram_default(struct damon_target *t,
  *
  * Return: Pseudo-moving average after getting the @new_value.
  */
-unsigned int damon_moving_sum(unsigned int mvsum, unsigned int nomvsum,
+static unsigned int damon_moving_sum(unsigned int mvsum, unsigned int nomvsum,
 		unsigned int len_window, unsigned int new_value)
 {
 	return mvsum - nomvsum / len_window + new_value;
-- 
2.25.1