diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index eb5de466f09..1a6398424fa 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2105,7 +2105,7 @@ extern struct task_struct *idle_task(int cpu); * is_idle_task - is the specified task an idle task? * @p: the task in question. */ -static inline bool is_idle_task(struct task_struct *p) +static inline bool is_idle_task(const struct task_struct *p) { return p->pid == 0; } @@ -2274,6 +2274,12 @@ static inline void mmdrop(struct mm_struct * mm) extern void mmput(struct mm_struct *); /* Grab a reference to a task's mm, if it is not already going away */ extern struct mm_struct *get_task_mm(struct task_struct *task); +/* + * Grab a reference to a task's mm, if it is not already going away + * and ptrace_may_access with the mode parameter passed to it + * succeeds. + */ +extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode); /* Remove the current tasks stale references to the old mm_struct */ extern void mm_release(struct task_struct *, struct mm_struct *); /* Allocate a new mm structure and copy contents from tsk->mm */ |