From: Xishi Qiu <qiuxishi@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Cody P Schafer <cody@linux.vnet.ibm.com>,
Xishi Qiu <qiuxishi@huawei.com>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 3/3] mm: use zone_is_initialized() instead of if(zone->wait_table)
Date: Wed, 7 Aug 2013 17:10:09 +0800 [thread overview]
Message-ID: <52020EF1.2060003@huawei.com> (raw)
Use "zone_is_initialized()" instead of "if (zone->wait_table)".
Simplify the code, no functional change.
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
mm/memory_hotplug.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index f3fcac1..387654b 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;
--
1.7.1
--
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reply other threads:[~2013-08-07 9:10 UTC|newest]
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