1 files changed, 2 insertions, 1 deletions

diff --git a/arch/csky/kernel/smp.c b/arch/csky/kernel/smp.c
index ddc4dd79f282..b07a534b3062 100644
--- a/arch/csky/kernel/smp.c
+++ b/arch/csky/kernel/smp.c
@@ -160,7 +160,8 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 {
         unsigned long mask = 1 << cpu;
 
-        secondary_stack = (unsigned int)tidle->stack + THREAD_SIZE - 8;
+        secondary_stack =
+                (unsigned int) task_stack_page(tidle) + THREAD_SIZE - 8;
         secondary_hint = mfcr("cr31");
         secondary_ccr  = mfcr("cr18");