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authorIngo Molnar <mingo@elte.hu>2012-03-01 10:26:41 +0100
committerIngo Molnar <mingo@elte.hu>2012-03-01 10:26:43 +0100
commit7e4d960993331e92567f0180e45322a93e6780ba (patch)
tree4d7444035303fc0b545e88afbd894176344fb2a3 /include/linux/sched.h
parentde5bdff7a72acc281219be2b8edeeca1fd81c542 (diff)
parent164974a8f2a482f1abcb027c6d1a89dd79b14297 (diff)
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Merge branch 'linus' into sched/core
Merge reason: we'll queue up dependent patches. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index eb5de466f099..1a6398424fab 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 */