From: Xishi Qiu <qiuxishi@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>, Liujiang <jiang.liu@huawei.com>,
Cody P Schafer <cody@linux.vnet.ibm.com>,
Minchan Kim <minchan@kernel.org>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Xishi Qiu <qiuxishi@huawei.com>
Subject: [PATCH] mm: use populated_zone() instead of if(zone->present_pages)
Date: Thu, 5 Sep 2013 17:09:50 +0800 [thread overview]
Message-ID: <52284A5E.7000306@huawei.com> (raw)
Use "if (zone->present_pages)" instead of "if (zone->present_pages)".
Simplify the code, no functional change.
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
mm/page_alloc.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b100255..30ef67c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4195,7 +4195,7 @@ static __meminit void zone_pcp_init(struct zone *zone)
*/
zone->pageset = &boot_pageset;
- if (zone->present_pages)
+ if (populated_zone(zone))
printk(KERN_DEBUG " %s zone: %lu pages, LIFO batch:%u\n",
zone->name, zone->present_pages,
zone_batchsize(zone));
@@ -5087,7 +5087,7 @@ static void check_for_memory(pg_data_t *pgdat, int nid)
for (zone_type = 0; zone_type <= ZONE_MOVABLE - 1; zone_type++) {
struct zone *zone = &pgdat->node_zones[zone_type];
- if (zone->present_pages) {
+ if (populated_zone(zone)) {
node_set_state(nid, N_HIGH_MEMORY);
if (N_NORMAL_MEMORY != N_HIGH_MEMORY &&
zone_type <= ZONE_NORMAL)
--
1.7.1
--
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reply other threads:[~2013-09-05 9:10 UTC|newest]
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