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-rw-r--r--fs/proc/base.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 50e149e08d96..5e0c6a1ce8b3 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2259,8 +2259,22 @@ out:
void proc_flush_task(struct task_struct *task)
{
- proc_flush_task_mnt(proc_mnt, task->pid,
- thread_group_leader(task) ? 0 : task->tgid);
+ int i, leader;
+ struct pid *pid, *tgid;
+ struct upid *upid;
+
+ leader = thread_group_leader(task);
+ proc_flush_task_mnt(proc_mnt, task->pid, leader ? task->tgid : 0);
+ pid = task_pid(task);
+ if (pid->level == 0)
+ return;
+
+ tgid = task_tgid(task);
+ for (i = 1; i <= pid->level; i++) {
+ upid = &pid->numbers[i];
+ proc_flush_task_mnt(upid->ns->proc_mnt, upid->nr,
+ leader ? 0 : tgid->numbers[i].nr);
+ }
}
static struct dentry *proc_pid_instantiate(struct inode *dir,