[PATCH v4 2/3] mm/vmscan: change return type of shrink_node() to void

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As the return value of shrink_node() isn't used by any callsites,
we'd better change the return type of shrink_node() from static inline
to void.

Signed-off-by: Yafang Shao <laoar.shao@xxxxxxxxx>
---
 mm/vmscan.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 84dcb65..281bfa9 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2687,7 +2687,7 @@ static bool pgdat_memcg_congested(pg_data_t *pgdat, struct mem_cgroup *memcg)
 		(memcg && memcg_congested(pgdat, memcg));
 }
 
-static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc)
+static void shrink_node(pg_data_t *pgdat, struct scan_control *sc)
 {
 	struct reclaim_state *reclaim_state = current->reclaim_state;
 	unsigned long nr_reclaimed, nr_scanned;
@@ -2857,8 +2857,6 @@ static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc)
 	 */
 	if (reclaimable)
 		pgdat->kswapd_failures = 0;
-
-	return reclaimable;
 }
 
 /*
-- 
1.8.3.1




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