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| author | Mike Rapoport <rppt@linux.vnet.ibm.com> | 2018-02-06 15:40:17 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-06 18:32:46 -0800 |
| commit | 2ee0826085d1c0281cb60c1f4bc3e0c27efeedc3 (patch) | |
| tree | bb2dc8915be7e4f0fea7438edf380d84b896f80a /include | |
| parent | eab216e9cc636c24cec06bdf57a80f4c26b34493 (diff) | |
| download | linux-2ee0826085d1c0281cb60c1f4bc3e0c27efeedc3.tar.bz2 | |
pids: introduce find_get_task_by_vpid() helper
There are several functions that do find_task_by_vpid() followed by
get_task_struct(). We can use a helper function instead.
Link: http://lkml.kernel.org/r/1509602027-11337-1-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 166144c04ef6..ce5a27304b03 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1489,6 +1489,11 @@ static inline struct thread_info *task_thread_info(struct task_struct *task) extern struct task_struct *find_task_by_vpid(pid_t nr); extern struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns); +/* + * find a task by its virtual pid and get the task struct + */ +extern struct task_struct *find_get_task_by_vpid(pid_t nr); + extern int wake_up_state(struct task_struct *tsk, unsigned int state); extern int wake_up_process(struct task_struct *tsk); extern void wake_up_new_task(struct task_struct *tsk); |