linux-kernel - [patch 1/3] mm: memcontrol: remove unnecessary soft limit tree node test

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Message-Id: <1420856041-27647-1-git-send-email-hannes@cmpxchg.org>
Date:	Fri,  9 Jan 2015 21:13:59 -0500
From:	Johannes Weiner <hannes@...xchg.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Michal Hocko <mhocko@...e.cz>,
	Vladimir Davydov <vdavydov@...allels.com>, linux-mm@...ck.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [patch 1/3] mm: memcontrol: remove unnecessary soft limit tree node test

kzalloc_node() automatically falls back to nodes with suitable memory.

Signed-off-by: Johannes Weiner <hannes@...xchg.org>
---
 mm/memcontrol.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index fd9e542fc26f..aad254b30708 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4520,13 +4520,10 @@ static void __init mem_cgroup_soft_limit_tree_init(void)
 {
 	struct mem_cgroup_tree_per_node *rtpn;
 	struct mem_cgroup_tree_per_zone *rtpz;
-	int tmp, node, zone;
+	int node, zone;
 
 	for_each_node(node) {
-		tmp = node;
-		if (!node_state(node, N_NORMAL_MEMORY))
-			tmp = -1;
-		rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, tmp);
+		rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, node);
 		BUG_ON(!rtpn);
 
 		soft_limit_tree.rb_tree_per_node[node] = rtpn;
-- 
2.2.0

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