powerpc/smp: Fix a warning under !NEED_MULTIPLE_NODES

Fix a build warning in a non CONFIG_NEED_MULTIPLE_NODES
"error: _numa_cpu_lookup_table_ undeclared"

Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200810071834.92514-2-srikar@linux.vnet.ibm.com

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 8261999..d511bf7 100644 (file)
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -861,6 +861,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
                                        GFP_KERNEL, cpu_to_node(cpu));
                zalloc_cpumask_var_node(&per_cpu(cpu_core_map, cpu),
                                        GFP_KERNEL, cpu_to_node(cpu));
+#ifdef CONFIG_NEED_MULTIPLE_NODES
                /*
                 * numa_node_id() works after this.
                 */
@@ -869,6 +870,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
                        set_cpu_numa_mem(cpu,
                                local_memory_node(numa_cpu_lookup_table[cpu]));
                }
+#endif
        }
 
        /* Init the cpumasks so the boot CPU is related to itself */