diff options
Diffstat (limited to 'include/linux/sched/task_stack.h')
| -rw-r--r-- | include/linux/sched/task_stack.h | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h index ccd72b978e1f..bf10bdb487dd 100644 --- a/include/linux/sched/task_stack.h +++ b/include/linux/sched/task_stack.h @@ -95,23 +95,11 @@ static inline int object_is_on_stack(const void *obj) extern void thread_stack_cache_init(void); #ifdef CONFIG_DEBUG_STACK_USAGE +unsigned long stack_not_used(struct task_struct *p); +#else static inline unsigned long stack_not_used(struct task_struct *p) { - unsigned long *n = end_of_stack(p); - - do { /* Skip over canary */ -# ifdef CONFIG_STACK_GROWSUP - n--; -# else - n++; -# endif - } while (!*n); - -# ifdef CONFIG_STACK_GROWSUP - return (unsigned long)end_of_stack(p) - (unsigned long)n; -# else - return (unsigned long)n - (unsigned long)end_of_stack(p); -# endif + return 0; } #endif extern void set_task_stack_end_magic(struct task_struct *tsk); |