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authorJohn Hubbard <jhubbard@nvidia.com>2017-07-10 15:49:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-10 16:32:32 -0700
commita52149f129bd161818fd7a0b6450aaa30a2cbd77 (patch)
tree500e355250989f550b7fdb212a400fa137379ebb /mm/memory_hotplug.c
parentd09b6468824d9e41dc30708475f954e455cf7146 (diff)
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@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>
Diffstat (limited to 'mm/memory_hotplug.c')
-rw-r--r--mm/memory_hotplug.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 203c46306a74..7cd4377ac83e 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -580,11 +580,8 @@ static void __remove_zone(struct zone *zone, unsigned long start_pfn)
{
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);