diff mbox

[v8,12/16] arm64/numa: remove some useless code

Message ID 1472712907-12700-13-git-send-email-thunder.leizhen@huawei.com
State Accepted
Commit df7ffa34cc0c06bfa7206732df78725ff34633ee
Headers show

Commit Message

Leizhen (ThunderTown) Sept. 1, 2016, 6:55 a.m. UTC
When the deleted code is executed, only the bit of cpu0 was set on
cpu_possible_mask. So that, only set_cpu_numa_node(0, NUMA_NO_NODE); will
be executed. And map_cpu_to_node(0, 0) will soon be called. So these code
can be safely removed.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>

---
 arch/arm64/mm/numa.c | 4 ----
 1 file changed, 4 deletions(-)

--
2.5.0


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diff mbox

Patch

diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 891bdaa..72f4539 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -95,7 +95,6 @@  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 */
@@ -108,9 +107,6 @@  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);
 }