1 files changed, 1 insertions, 1 deletions

diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 3d7e0c8e9925..2185377fdde1 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -771,7 +771,7 @@ unsigned long get_wchan(struct task_struct *p)
         int count = 0;
         if (!p || p == current || p->state == TASK_RUNNING)
                 return 0;
-        stack_page = (unsigned long)p->thread_info;
+        stack_page = (unsigned long)task_stack_page(p);
         esp = p->thread.esp;
         if (!stack_page || esp < stack_page || esp > top_esp+stack_page)
                 return 0;