From: Liu Song <liu.song11@xxxxxxxxxx> Subject: mm/vmscan.c: remove unused return value of shrink_node The return value of shrink_node is not used, so remove unnecessary operations. Link: http://lkml.kernel.org/r/20191128143524.3223-1-fishland@xxxxxxxxxx Signed-off-by: Liu Song <liu.song11@xxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/vmscan.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/vmscan.c~mm-vmscanc-remove-unused-return-value-of-shrink_node +++ a/mm/vmscan.c @@ -2695,7 +2695,7 @@ static void shrink_node_memcgs(pg_data_t } while ((memcg = mem_cgroup_iter(target_memcg, memcg, NULL))); } -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; @@ -2874,8 +2874,6 @@ again: */ if (reclaimable) pgdat->kswapd_failures = 0; - - return reclaimable; } /* _
