[PATCH] s390: task_stack_page()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 9f64330..2ff90a1 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -153,7 +153,7 @@
{
struct task_struct *tsk = current;
- printk("CPU: %d %s\n", tsk->thread_info->cpu, print_tainted());
+ printk("CPU: %d %s\n", task_thread_info(tsk)->cpu, print_tainted());
printk("Process %s (pid: %d, task: %p, ksp: %p)\n",
current->comm, current->pid, (void *) tsk,
(void *) tsk->thread.ksp);
@@ -357,11 +357,10 @@
unsigned long return_address;
int count;
- if (!p || p == current || p->state == TASK_RUNNING || !p->thread_info)
+ if (!p || p == current || p->state == TASK_RUNNING || !task_stack_page(p))
return 0;
- low = (struct stack_frame *) p->thread_info;
- high = (struct stack_frame *)
- ((unsigned long) p->thread_info + THREAD_SIZE) - 1;
+ low = task_stack_page(p);
+ high = (struct stack_frame *) task_pt_regs(p);
sf = (struct stack_frame *) (p->thread.ksp & PSW_ADDR_INSN);
if (sf <= low || sf > high)
return 0;