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-rw-r--r--mm/util.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/mm/util.c b/mm/util.c
index 7b6608df2ee8..093c973f1697 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -183,17 +183,14 @@ pid_t vm_is_stack(struct task_struct *task,
if (in_group) {
struct task_struct *t;
- rcu_read_lock();
- if (!pid_alive(task))
- goto done;
- t = task;
- do {
+ rcu_read_lock();
+ for_each_thread(task, t) {
if (vm_is_stack_for_task(t, vma)) {
ret = t->pid;
goto done;
}
- } while_each_thread(task, t);
+ }
done:
rcu_read_unlock();
}