[RFC PATCH 07/14] mm/damon/core: hide damon_destroy_region()

[SeongJae Park]

damon_destroy_region() is being used by only DAMON core, but exposed to
DAMON API callers.  Exposing something that is not really being used by
others will only increase the maintenance cost.  Hide it.

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

diff --git a/include/linux/damon.h b/include/linux/damon.h
index 3acca7deb1693..638ee65f88dcb 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -1013,7 +1013,6 @@ void damon_add_probe(struct damon_ctx *ctx, struct damon_probe *probe);
 
 struct damon_region *damon_new_region(unsigned long start, unsigned long end);
 
-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 long min_region_sz);
 void damon_update_region_access_rate(struct damon_region *r, bool accessed,
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 53b4bdd27b39d..8a9202937781c 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -291,7 +291,8 @@ static void damon_free_region(struct damon_region *r)
 	kmem_cache_free(damon_region_cache, r);
 }
 
-void damon_destroy_region(struct damon_region *r, struct damon_target *t)
+static void damon_destroy_region(struct damon_region *r,
+		struct damon_target *t)
 {
 	damon_del_region(r, t);
 	damon_free_region(r);
-- 
2.47.3