+ mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch added to -mm tree

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The patch titled
     Subject: mm/compaction.c: clean code by removing unnecessary assignment
has been added to the -mm tree.  Its filename is
     mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch

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------------------------------------------------------
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>
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) {
_

Patches currently in -mm which might be from mateusznosek0@xxxxxxxxx are

mm-micro-optimisation-save-two-branches-on-hot-page-allocation-path.patch
mm-page_allocc-micro-optimisation-remove-unnecessary-branch.patch
mm-vmscanc-clean-code-by-removing-unnecessary-assignment.patch
mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch
mm-hugetlbc-clean-code-by-removing-unnecessary-initialization.patch
mm-shmemc-clean-code-by-removing-unnecessary-assignment.patch
mm-mm_initc-clean-code-use-build_bug_on-when-comparing-compile-time-constant.patch




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