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Groups > linux.kernel > #1415846

[PATCH v4 12/14] arm64/numa: remove some useless code

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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@huawei.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 d73b0a0..92b1692 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);
 }
@@ -379,10 +375,6 @@ 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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[PATCH v4 00/14] fix some type infos and bugs for arm64/of numa Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 06/14] of_numa: Use of_get_next_parent to simplify code Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
    Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES Ganapatrao Kulkarni <gpkulkarni@gmail.com> - 2016-06-07 10:40 +0200
      Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2016-06-07 15:00 +0200
        Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES Ganapatrao Kulkarni <gpkulkarni@gmail.com> - 2016-06-07 16:10 +0200
          Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2016-06-08 04:30 +0200
            Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES Ganapatrao Kulkarni <gpkulkarni@gmail.com> - 2016-06-08 06:50 +0200
              Re: [PATCH v4 11/14] arm64/numa: support HAVE_MEMORYLESS_NODES "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2016-06-08 10:00 +0200
  [PATCH v4 08/14] arm64: numa: Use pr_fmt() Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 02/14] of/numa: fix a memory@ node can only contains one memory block Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 01/14] of/numa: remove a duplicated pr_debug information Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 05/14] arm64/numa: avoid inconsistent information to be printed Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 09/14] arm64/numa: support HAVE_SETUP_PER_CPU_AREA Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
  [PATCH v4 12/14] arm64/numa: remove some useless code Zhen Lei <thunder.leizhen@huawei.com> - 2016-06-07 10:20 +0200
    Re: [PATCH v4 12/14] arm64/numa: remove some useless code Ganapatrao Kulkarni <gpkulkarni@gmail.com> - 2016-06-07 10:30 +0200
      Re: [PATCH v4 12/14] arm64/numa: remove some useless code "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2016-06-07 14:50 +0200
  Re: [PATCH v4 00/14] fix some type infos and bugs for arm64/of numa Will Deacon <will.deacon@arm.com> - 2016-06-07 16:00 +0200
    Re: [PATCH v4 00/14] fix some type infos and bugs for arm64/of numa "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2016-06-08 11:10 +0200
  Re: [PATCH v4 00/14] fix some type infos and bugs for arm64/of numa Rob Herring <robh+dt@kernel.org> - 2016-06-07 22:40 +0200

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