[v6,12/14] arm64/numa: remove some useless code

Commit Message

Leizhen (ThunderTown) Aug. 11, 2016, 9:33 a.m. UTC

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 <[e-mail]>
---
 arch/arm64/mm/numa.c | 8 --------
 1 file changed, 8 deletions(-)

--
2.5.0

Patch

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;
 }