1 files changed, 6 insertions, 1 deletions

diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 30c28ab14540..4065b5e48c9d 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -292,10 +292,15 @@ smp_cpu_init(int cpunum)
  * Slaves start using C here. Indirectly called from smp_slave_stext.
  * Do what start_kernel() and main() do for boot strap processor (aka monarch)
  */
-void __init smp_callin(void)
+void __init smp_callin(unsigned long pdce_proc)
 {
         int slave_id = cpu_now_booting;
 
+#ifdef CONFIG_64BIT
+        WARN_ON(((unsigned long)(PAGE0->mem_pdc_hi) << 32
+                        | PAGE0->mem_pdc) != pdce_proc);
+#endif
+
         smp_cpu_init(slave_id);
         preempt_disable();