Commit 139c2d75 authored Sep 11, 2013 by Xishi Qiu Committed by Linus Torvalds Sep 11, 2013

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>

parent 8080fc03

mm/memory_hotplug.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;