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authorXishi Qiu <qiuxishi@huawei.com>2013-09-11 14:21:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-11 15:57:39 -0700
commit139c2d75b4e81d449d97f1f8188b84529eb56708 (patch)
treef4c8f6961db9f8fc11f8eb21f0a7faea1cd29bdb /mm/memory_hotplug.c
parent8080fc038e91265e1002df7cae805fc17bb772fc (diff)
downloadop-kernel-dev-139c2d75b4e81d449d97f1f8188b84529eb56708.zip
op-kernel-dev-139c2d75b4e81d449d97f1f8188b84529eb56708.tar.gz
mm: use zone_is_initialized() instead of if(zone->wait_table)
Use "zone_is_initialized()" instead of "if (zone->wait_table)". Simplify the code, no functional change. Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> Cc: Cody P Schafer <cody@linux.vnet.ibm.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.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 4f5df61..46b489c 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -194,7 +194,7 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat)
zone = &pgdat->node_zones[0];
for (; zone < pgdat->node_zones + MAX_NR_ZONES - 1; zone++) {
- if (zone->wait_table) {
+ if (zone_is_initialized(zone)) {
nr_pages = zone->wait_table_hash_nr_entries
* sizeof(wait_queue_head_t);
nr_pages = PAGE_ALIGN(nr_pages) >> PAGE_SHIFT;
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