[RFC PATCH 07/11] mm/damon/core: change damon_stop() return type to void

[SJ Park <sj@kernel.org>]

damon_stop() always returns 0, and nobody cares.  Change the return type
to void.

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

diff --git a/include/linux/damon.h b/include/linux/damon.h
index 2661231c0ae82..19b7e839bde0b 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -1070,7 +1070,7 @@ static inline unsigned int damon_max_nr_accesses(const struct damon_attrs *attrs
 
 bool damon_initialized(void);
 int damon_start(struct damon_ctx **ctxs, int nr_ctxs, bool exclusive);
-int damon_stop(struct damon_ctx **ctxs, int nr_ctxs);
+void damon_stop(struct damon_ctx **ctxs, int nr_ctxs);
 bool damon_is_running(struct damon_ctx *ctx);
 int damon_kdamond_pid(struct damon_ctx *ctx);
 
diff --git a/mm/damon/core.c b/mm/damon/core.c
index ef40aa44850ff..1a6c30ae91711 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1946,14 +1946,13 @@ static void __damon_stop(struct damon_ctx *ctx)
  * @ctxs:	an array of the pointers for contexts to stop monitoring
  * @nr_ctxs:	size of @ctxs
  */
-int damon_stop(struct damon_ctx **ctxs, int nr_ctxs)
+void damon_stop(struct damon_ctx **ctxs, int nr_ctxs)
 {
 	int i;
 
 	for (i = 0; i < nr_ctxs; i++)
 		/* nr_running_ctxs is decremented in kdamond_fn */
 		__damon_stop(ctxs[i]);
-	return 0;
 }
 
 /**
-- 
2.47.3