linux-kernel - [PATCH 2/2] numa: don't check if node is NUMA_NO

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Message-ID: <5044665C.5020909@cn.fujitsu.com>
Date:	Mon, 03 Sep 2012 16:12:12 +0800
From:	Wen Congyang <wency@...fujitsu.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	x86@...nel.org, linux-pm@...r.kernel.org
CC:	len.brown@...el.com, pavel@....cz, rjw@...k.pl, tglx@...utronix.de,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	rusty@...tcorp.com.au, bhelgaas@...gle.com,
	David Rientjes <rientjes@...gle.c>
Subject: [PATCH 2/2] numa: don't check if node is NUMA_NO_NODE

If we don't debug 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 want to clear the
cpu's node. So we should also call set_cpu_numa_node() in this case.

Signed-off-by: Wen Congyang <wency@...fujitsu.com>
---
 arch/x86/mm/numa.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 2d125be..21d02f0 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)
-- 
1.7.1

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