1 files changed, 2 insertions, 2 deletions

diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c
index 3a8291b7d26d..dbef3f6b5650 100644
--- a/arch/mips/sgi-ip27/ip27-smp.c
+++ b/arch/mips/sgi-ip27/ip27-smp.c
@@ -168,8 +168,8 @@ void __init prom_prepare_cpus(unsigned int max_cpus)
  */
 void __init prom_boot_secondary(int cpu, struct task_struct *idle)
 {
-        unsigned long gp = (unsigned long) idle->thread_info;
-        unsigned long sp = gp + THREAD_SIZE - 32;
+        unsigned long gp = (unsigned long)task_thread_info(idle);
+        unsigned long sp = __KSTK_TOS(idle);
 
         LAUNCH_SLAVE(cputonasid(cpu),cputoslice(cpu),
                 (launch_proc_t)MAPPED_KERN_RW_TO_K0(smp_bootstrap),