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authorCody P Schafer <cody@linux.vnet.ibm.com>2013-02-22 16:35:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-23 17:50:21 -0800
commit64dd1b29bfd76cec0f0db95efa68167d7245dcaf (patch)
tree281f16a4da65b840e6cc58574e86f0afd06030f0 /mm
parentf6bbb78e5bcbe45cfb8ed0d7ecd1549f4eb46a30 (diff)
downloadvexpress-lsk-64dd1b29bfd76cec0f0db95efa68167d7245dcaf.tar.gz
mm/memory_hotplug: use ensure_zone_is_initialized()
Remove open coding of ensure_zone_is_initialzied(). Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: David Hansen <dave@linux.vnet.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory_hotplug.c29
1 files changed, 10 insertions, 19 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6e625f60dbc..84fdcf5633c 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -300,12 +300,9 @@ static int __meminit move_pfn_range_left(struct zone *z1, struct zone *z2,
unsigned long flags;
unsigned long z1_start_pfn;
- if (!z1->wait_table) {
- ret = init_currently_empty_zone(z1, start_pfn,
- end_pfn - start_pfn, MEMMAP_HOTPLUG);
- if (ret)
- return ret;
- }
+ ret = ensure_zone_is_initialized(z1, start_pfn, end_pfn - start_pfn);
+ if (ret)
+ return ret;
pgdat_resize_lock(z1->zone_pgdat, &flags);
@@ -345,12 +342,9 @@ static int __meminit move_pfn_range_right(struct zone *z1, struct zone *z2,
unsigned long flags;
unsigned long z2_end_pfn;
- if (!z2->wait_table) {
- ret = init_currently_empty_zone(z2, start_pfn,
- end_pfn - start_pfn, MEMMAP_HOTPLUG);
- if (ret)
- return ret;
- }
+ ret = ensure_zone_is_initialized(z2, start_pfn, end_pfn - start_pfn);
+ if (ret)
+ return ret;
pgdat_resize_lock(z1->zone_pgdat, &flags);
@@ -403,16 +397,13 @@ static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn)
int nid = pgdat->node_id;
int zone_type;
unsigned long flags;
+ int ret;
zone_type = zone - pgdat->node_zones;
- if (!zone->wait_table) {
- int ret;
+ ret = ensure_zone_is_initialized(zone, phys_start_pfn, nr_pages);
+ if (ret)
+ return ret;
- ret = init_currently_empty_zone(zone, phys_start_pfn,
- nr_pages, MEMMAP_HOTPLUG);
- if (ret)
- return ret;
- }
pgdat_resize_lock(zone->zone_pgdat, &flags);
grow_zone_span(zone, phys_start_pfn, phys_start_pfn + nr_pages);
grow_pgdat_span(zone->zone_pgdat, phys_start_pfn,