currently code provides end of stack by considering stack grows downwards. Make it useful for architectures where stack grows upward.
Although CONFIG_THREAD_INFO_IN_TASK is selected only for architectures where stack grows downward. Signed-off-by: Maninder Singh <[email protected]> Signed-off-by: Vaneet Narang <[email protected]> --- include/linux/sched/task_stack.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h index 6a84192..4f099d3 100644 --- a/include/linux/sched/task_stack.h +++ b/include/linux/sched/task_stack.h @@ -25,7 +25,11 @@ static inline void *task_stack_page(const struct task_struct *task) static inline unsigned long *end_of_stack(const struct task_struct *task) { +#ifdef CONFIG_STACK_GROWSUP + return (unsigned long *)((unsigned long)task->stack + THREAD_SIZE) - 1; +#else return task->stack; +#endif } #elif !defined(__HAVE_THREAD_FUNCTIONS) -- 1.9.1
