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mm/memory_hotplug.c: remove unused local zone_type from __remove_zone()

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__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@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
John Hubbard 2017-07-10 15:49:41 -07:00 • committed by Linus Torvalds
parent d09b646882
commit a52149f129
1 changed files with 0 additions and 3 deletions
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3
mm/memory_hotplug.c
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@ -580,11 +580,8 @@ static void __remove_zone(struct zone *zone, unsigned long start_pfn)
{ {
struct pglist_data *pgdat = zone->zone_pgdat; struct pglist_data *pgdat = zone->zone_pgdat;
int nr_pages = PAGES_PER_SECTION; int nr_pages = PAGES_PER_SECTION;
int zone_type;
unsigned long flags; unsigned long flags;
zone_type = zone - pgdat->node_zones;
pgdat_resize_lock(zone->zone_pgdat, &flags); pgdat_resize_lock(zone->zone_pgdat, &flags);
shrink_zone_span(zone, start_pfn, start_pfn + nr_pages); shrink_zone_span(zone, start_pfn, start_pfn + nr_pages);
shrink_pgdat_span(pgdat, start_pfn, start_pfn + nr_pages); shrink_pgdat_span(pgdat, start_pfn, start_pfn + nr_pages);