There isn't any need to keep referring to update->cpu, as we've already
checked cpu == update->cpu at this point.

Signed-off-by: Nishanth Aravamudan <n...@linux.vnet.ibm.com>

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 649666d5d1c2..86fdb004ad2f 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1491,8 +1491,8 @@ static int update_cpu_topology(void *data)
                if (cpu != update->cpu)
                        continue;
 
-               unmap_cpu_from_node(update->cpu);
-               map_cpu_to_node(update->cpu, update->new_nid);
+               unmap_cpu_from_node(cpu);
+               map_cpu_to_node(cpu, update->new_nid);
                vdso_getcpu_init();
        }
 

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