memcg: kill unnecessary initialization in mem_cgroup_shrink_node_zone()

sc.nr_reclaimed and sc.nr_scanned have already been initialized few lines
above "struct scan_control sc = {}" statement.

So, This patch remove this unnecessary code.

Signed-off-by: KOSAKI Motohiro <[email protected]>
Acked-by: KAMEZAWA Hiroyuki <[email protected]>
Cc: Balbir Singh <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Nishimura Daisuke <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 4e684449bf40e4f367133db25dd0d54a3573d7ba..291270496b6f16d0c42ded17546e81374832b768 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1985,8 +1985,6 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
        sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
                        (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
        sc.nodemask = &nm;
-       sc.nr_reclaimed = 0;
-       sc.nr_scanned = 0;
 
        trace_mm_vmscan_memcg_softlimit_reclaim_begin(0,
                                                      sc.may_writepage,