diff options
Diffstat (limited to '')
| -rw-r--r-- | include/linux/sched.h | 8 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 34495d2d2d7b..589c4780b077 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2870,10 +2870,18 @@ 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 } #endif extern void set_task_stack_end_magic(struct task_struct *tsk); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 532d4d52d1df..1e9a607534ca 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -558,7 +558,7 @@ config DEBUG_KMEMLEAK_DEFAULT_OFF config DEBUG_STACK_USAGE bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL && !IA64 && !PARISC && !METAG + depends on DEBUG_KERNEL && !IA64 help Enables the display of the minimum amount of free stack which each task has ever had available in the sysrq-T and sysrq-P debug output. |