x86: clean up bitops-related warnings

Add casts to appropriate places to silence spurious bitops warnings.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Andi Kleen <ak@suse.de>

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 46b4b5e..8482314 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -547,7 +547,7 @@
 
 __cpuinit void numa_add_cpu(int cpu)
 {
-	set_bit(cpu, &node_to_cpumask_map[cpu_to_node(cpu)]);
+	set_bit(cpu, (unsigned long *)&node_to_cpumask_map[cpu_to_node(cpu)]);
 }
 
 void __cpuinit numa_set_node(int cpu, int node)