From: Wen Congyang <wency@cn.fujitsu.com>
Date: Fri, 7 Sep 2012 00:17:50 +0000 (+1000)
Subject: x86 numa: don't check if node is NUMA_NO_NODE
X-Git-Tag: next-20120907~1^2~222
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ed0d508a33a7c756817f2df8c3df29a9c3f59864;p=karo-tx-linux.git

x86 numa: don't check if node is NUMA_NO_NODE

If we aren't debugging per_cpu maps, the cpu's node is stored in per_cpu
variable numa_node.  If `node' is NUMA_NO_NODE, it means the caller wants
to clear the cpu's node.  So we should also call set_cpu_numa_node() in
this case.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 2d125be1bae9..21d02f0d7a2c 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -97,8 +97,7 @@ void __cpuinit numa_set_node(int cpu, int node)
 #endif
 	per_cpu(x86_cpu_to_node_map, cpu) = node;
 
-	if (node != NUMA_NO_NODE)
-		set_cpu_numa_node(cpu, node);
+	set_cpu_numa_node(cpu, node);
 }
 
 void __cpuinit numa_clear_node(int cpu)