of_node_to_nid and dump_numa_cpu_topology are declared inline in their
respective header files, if CONFIG_NUMA is not set. Thus it is only
valid to define these functions in numa.c if CONFIG_NUMA is set.
(numa.c, despite the name, isn't conditionalized on CONFIG_NUMA, but
CONFIG_NEED_MULTIPLE_NODES.)

Signed-off-by: Jonathan Neuschäfer <j.neuschae...@gmx.net>
---
 arch/powerpc/mm/numa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 0570bc2a0b13..df03a65b658f 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -254,6 +254,7 @@ static int of_node_to_nid_single(struct device_node *device)
        return nid;
 }
 
+#ifdef CONFIG_NUMA
 /* Walk the device tree upwards, looking for an associativity id */
 int of_node_to_nid(struct device_node *device)
 {
@@ -272,6 +273,7 @@ int of_node_to_nid(struct device_node *device)
        return nid;
 }
 EXPORT_SYMBOL(of_node_to_nid);
+#endif
 
 static int __init find_min_common_depth(void)
 {
@@ -744,6 +746,7 @@ static void __init setup_nonnuma(void)
        }
 }
 
+#ifdef CONFIG_NUMA
 void __init dump_numa_cpu_topology(void)
 {
        unsigned int node;
@@ -778,6 +781,7 @@ void __init dump_numa_cpu_topology(void)
                pr_cont("\n");
        }
 }
+#endif
 
 /* Initialize NODE_DATA for a node on the local memory */
 static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
-- 
2.16.1

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