From: Mateusz Nosek <mateusznosek0@xxxxxxxxx> Subject: 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. Link: http://lkml.kernel.org/r/20200318174509.15021-1-mateusznosek0@xxxxxxxxx Signed-off-by: Mateusz Nosek <mateusznosek0@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/compaction.c | 1 - 1 file changed, 1 deletion(-) --- a/mm/compaction.c~mm-compactionc-clean-code-by-removing-unnecessary-assignment +++ a/mm/compaction.c @@ -2182,7 +2182,6 @@ compact_zone(struct compact_control *cc, ret = COMPACT_CONTENDED; putback_movable_pages(&cc->migratepages); cc->nr_migratepages = 0; - last_migrated_pfn = 0; goto out; case ISOLATE_NONE: if (update_cached) { _
