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Message-ID: <1470908028-8596-13-git-send-email-thunder.leizhen@huawei.com>
Date: Thu, 11 Aug 2016 17:33:46 +0800
From: Zhen Lei <thunder.leizhen@...wei.com>
To: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
"Frank Rowand" <frowand.list@...il.com>,
devicetree <devicetree@...r.kernel.org>
CC: Zefan Li <lizefan@...wei.com>, Xinwei Hu <huxinwei@...wei.com>,
"Tianhong Ding" <dingtianhong@...wei.com>,
Hanjun Guo <guohanjun@...wei.com>,
Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH v6 12/14] arm64/numa: remove some useless code
1. Currently only cpu0 set on cpu_possible_mask and percpu areas have not
been initialized.
2. No reason to limit cpu0 must belongs to node0.
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
arch/arm64/mm/numa.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 30d3279..1796789 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -93,7 +93,6 @@ void numa_clear_node(unsigned int cpu)
*/
static void __init setup_node_to_cpumask_map(void)
{
- unsigned int cpu;
int node;
/* setup nr_node_ids if not done yet */
@@ -106,9 +105,6 @@ static void __init setup_node_to_cpumask_map(void)
cpumask_clear(node_to_cpumask_map[node]);
}
- for_each_possible_cpu(cpu)
- set_cpu_numa_node(cpu, NUMA_NO_NODE);
-
/* cpumask_of_node() will now work */
pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids);
}
@@ -374,10 +370,6 @@ static int __init numa_init(int (*init_func)(void))
setup_node_to_cpumask_map();
- /* init boot processor */
- cpu_to_node_map[0] = 0;
- map_cpu_to_node(0, 0);
-
return 0;
}
--
2.5.0
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