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authorMateusz Nosek <mateusznosek0@gmail.com>2020-04-01 21:10:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 09:35:31 -0700
commit250046e7ba2a02ea7c2b9e65a22fe83338b07fdf (patch)
treebf3d9c87e5d74230113572f0522cef1f36ef11ae /mm/compaction.c
parent6923aa0d8c629a7853822626877dcb11f4f1d354 (diff)
downloadlinux-250046e7ba2a02ea7c2b9e65a22fe83338b07fdf.tar.gz
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>
Diffstat (limited to 'mm/compaction.c')
-rw-r--r--mm/compaction.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index c589ead54fb3..df3da2f76fdc 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) {