[PATCH 1/2] mm/damon/core: remove unused damon_targets_empty()

damon_targets_empty() has had no in-tree users since commit
5ec4333b1967 ("mm/damon: remove DAMON debugfs interface") removed
its last caller.

Remove the unused declaration and definition.

Signed-off-by: Cheng-Han Wu <[email protected]>
---
 include/linux/damon.h | 1 -
 mm/damon/core.c       | 5 -----
 2 files changed, 6 deletions(-)

diff --git a/include/linux/damon.h b/include/linux/damon.h
index 0c8b7ddef9ab..8e5589ccf50f 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -1054,7 +1054,6 @@ int damos_commit_quota_goals(struct damos_quota *dst, struct damos_quota *src);
 
 struct damon_target *damon_new_target(void);
 void damon_add_target(struct damon_ctx *ctx, struct damon_target *t);
-bool damon_targets_empty(struct damon_ctx *ctx);
 void damon_free_target(struct damon_target *t);
 void damon_destroy_target(struct damon_target *t, struct damon_ctx *ctx);
 unsigned int damon_nr_regions(struct damon_target *t);
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 644daf5a1656..da97b2dc39d1 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -795,11 +795,6 @@ void damon_add_target(struct damon_ctx *ctx, struct damon_target *t)
 	list_add_tail(&t->list, &ctx->adaptive_targets);
 }
 
-bool damon_targets_empty(struct damon_ctx *ctx)
-{
-	return list_empty(&ctx->adaptive_targets);
-}
-
 static void damon_del_target(struct damon_target *t)
 {
 	list_del(&t->list);
-- 
2.52.0