[patch 126/155] mm/vmscan.c: do_try_to_free_pages(): clean code by removing unnecessary assignment

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From: Mateusz Nosek <mateusznosek0@xxxxxxxxx>
Subject: mm/vmscan.c: do_try_to_free_pages(): clean code by removing unnecessary assignment

sc->memcg_low_skipped resets skipped_deactivate to 0 but this is not
needed as this code path is never reachable with skipped_deactivate != 0
due to previous sc->skipped_deactivate branch.

[mhocko@xxxxxxxxxx: rewrite changelog]
Link: http://lkml.kernel.org/r/20200319165938.23354-1-mateusznosek0@xxxxxxxxx
Signed-off-by: Mateusz Nosek <mateusznosek0@xxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/vmscan.c |    1 -
 1 file changed, 1 deletion(-)

--- a/mm/vmscan.c~mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment
+++ a/mm/vmscan.c
@@ -3093,7 +3093,6 @@ retry:
 	if (sc->memcg_low_skipped) {
 		sc->priority = initial_priority;
 		sc->force_deactivate = 0;
-		sc->skipped_deactivate = 0;
 		sc->memcg_low_reclaim = 1;
 		sc->memcg_low_skipped = 0;
 		goto retry;
_




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