1 files changed, 1 insertions, 6 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index c1d0ed360088..61245b8d0f16 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5944,12 +5944,7 @@ void sched_show_task(struct task_struct *p)
                 printk(KERN_CONT " %016lx ", thread_saved_pc(p));
 #endif
 #ifdef CONFIG_DEBUG_STACK_USAGE
-        {
-                unsigned long *n = end_of_stack(p);
-                while (!*n)
-                        n++;
-                free = (unsigned long)n - (unsigned long)end_of_stack(p);
-        }
+        free = stack_not_used(p);
 #endif
         printk(KERN_CONT "%5lu %5d %6d\n", free,
                 task_pid_nr(p), task_pid_nr(p->real_parent));