diff options
Diffstat (limited to 'include/linux/sched/task_stack.h')
-rw-r--r-- | include/linux/sched/task_stack.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h index aaa5c2a6a0e9..df6ea6665b31 100644 --- a/include/linux/sched/task_stack.h +++ b/include/linux/sched/task_stack.h @@ -108,4 +108,14 @@ static inline unsigned long stack_not_used(struct task_struct *p) #endif extern void set_task_stack_end_magic(struct task_struct *tsk); +#ifndef __HAVE_ARCH_KSTACK_END +static inline int kstack_end(void *addr) +{ + /* Reliable end of stack detection: + * Some APM bios versions misalign the stack + */ + return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*))); +} +#endif + #endif /* _LINUX_SCHED_TASK_STACK_H */ |