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

From: Zhen Lei
Date: Thu Aug 11 2016 - 05:35:33 EST


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@xxxxxxxxxx>
---
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