The patch titled
Subject: mm/memory_hotplug.c: remove unused local zone_type from __remove_zone()
has been added to the -mm tree. Its filename is
mm-remove-unused-zone_type-variable-from-__remove_zone.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-unused-zone_type-variable-from-__remove_zone.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-unused-zone_type-variable-from-__remove_zone.patch
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------------------------------------------------------
From: John Hubbard <jhubbard@xxxxxxxxxx>
Subject: mm/memory_hotplug.c: remove unused local zone_type from __remove_zone()
__remove_zone() sets up up zone_type, but never uses it for anything.
This does not cause a warning, due to the (necessary) use of
-Wno-unused-but-set-variable. However, it's noise, so just delete it.
Link: http://lkml.kernel.org/r/20170624043421.24465-2-jhubbard@xxxxxxxxxx
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN mm/memory_hotplug.c~mm-remove-unused-zone_type-variable-from-__remove_zone mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~mm-remove-unused-zone_type-variable-from-__remove_zone
+++ a/mm/memory_hotplug.c
@@ -580,11 +580,8 @@ static void __remove_zone(struct zone *z
{
struct pglist_data *pgdat = zone->zone_pgdat;
int nr_pages = PAGES_PER_SECTION;
- int zone_type;
unsigned long flags;
- zone_type = zone - pgdat->node_zones;
-
pgdat_resize_lock(zone->zone_pgdat, &flags);
shrink_zone_span(zone, start_pfn, start_pfn + nr_pages);
shrink_pgdat_span(pgdat, start_pfn, start_pfn + nr_pages);
_
Patches currently in -mm which might be from jhubbard@xxxxxxxxxx are
mm-remove-unused-zone_type-variable-from-__remove_zone.patch
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