linux-kernel - [V5 PATCH 04/26] node: cleanup node_state

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Date:	Mon, 29 Oct 2012 23:20:54 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Mel Gorman <mgorman@...e.de>, David Rientjes <rientjes@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	x86 maintainers <x86@...nel.org>
Cc:	Jiang Liu <jiang.liu@...wei.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Yinghai Lu <yinghai@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Yasuaki ISIMATU <isimatu.yasuaki@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [V5 PATCH 04/26] node: cleanup node_state_attr

use [index] = init_value
use N_xxxxx instead of hardcode.

Make it more readability and easy to add new state.

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
 drivers/base/node.c |   20 ++++++++++----------
 1 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index af1a177..5d7731e 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -614,23 +614,23 @@ static ssize_t show_node_state(struct device *dev,
 	{ __ATTR(name, 0444, show_node_state, NULL), state }
 
 static struct node_attr node_state_attr[] = {
-	_NODE_ATTR(possible, N_POSSIBLE),
-	_NODE_ATTR(online, N_ONLINE),
-	_NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY),
-	_NODE_ATTR(has_cpu, N_CPU),
+	[N_POSSIBLE] = _NODE_ATTR(possible, N_POSSIBLE),
+	[N_ONLINE] = _NODE_ATTR(online, N_ONLINE),
+	[N_NORMAL_MEMORY] = _NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY),
 #ifdef CONFIG_HIGHMEM
-	_NODE_ATTR(has_high_memory, N_HIGH_MEMORY),
+	[N_HIGH_MEMORY] = _NODE_ATTR(has_high_memory, N_HIGH_MEMORY),
 #endif
+	[N_CPU] = _NODE_ATTR(has_cpu, N_CPU),
 };
 
 static struct attribute *node_state_attrs[] = {
-	&node_state_attr[0].attr.attr,
-	&node_state_attr[1].attr.attr,
-	&node_state_attr[2].attr.attr,
-	&node_state_attr[3].attr.attr,
+	&node_state_attr[N_POSSIBLE].attr.attr,
+	&node_state_attr[N_ONLINE].attr.attr,
+	&node_state_attr[N_NORMAL_MEMORY].attr.attr,
 #ifdef CONFIG_HIGHMEM
-	&node_state_attr[4].attr.attr,
+	&node_state_attr[N_HIGH_MEMORY].attr.attr,
 #endif
+	&node_state_attr[N_CPU].attr.attr,
 	NULL
 };
 
-- 
1.7.4.4

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