From: Mateusz Nosek <mateusznosek0@gmail.com>
Date: Thu, 2 Apr 2020 04:10:45 +0000 (-0700)
Subject: mm/compaction.c: clean code by removing unnecessary assignment
X-Git-Tag: v5.15~4178^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=250046e7ba2a02ea7c2b9e65a22fe83338b07fdf;p=platform%2Fkernel%2Flinux-starfive.git

mm/compaction.c: clean code by removing unnecessary assignment

Previously 0 was assigned to variable 'last_migrated_pfn'.  But the
variable is not read after that, so the assignment can be removed.

Signed-off-by: Mateusz Nosek <mateusznosek0@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Link: http://lkml.kernel.org/r/20200318174509.15021-1-mateusznosek0@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/compaction.c b/mm/compaction.c
index c589ead..df3da2f 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -2182,7 +2182,6 @@ compact_zone(struct compact_control *cc, struct capture_control *capc)
 			ret = COMPACT_CONTENDED;
 			putback_movable_pages(&cc->migratepages);
 			cc->nr_migratepages = 0;
-			last_migrated_pfn = 0;
 			goto out;
 		case ISOLATE_NONE:
 			if (update_cached) {