diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/pid.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index 8132a6ddfa10..6eb14841b734 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -376,6 +376,19 @@ struct pid *find_get_pid(pid_t nr) return pid; } +pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns) +{ + struct upid *upid; + pid_t nr = 0; + + if (pid && ns->level <= pid->level) { + upid = &pid->numbers[ns->level]; + if (upid->ns == ns) + nr = upid->nr; + } + return nr; +} + /* * Used by proc to find the first pid that is greater then or equal to nr. * |